EVSN: Escape Velocity Space News
Escape Velocity Space News is a weekly podcast covering the latest in space and astronomy, including scientific discoveries and rocket launches. Produced by the team behind CosmoQuest at the Planetary Science Institute, the show is hosted by Dr. Pamela L. Gay and Erik Madaus, with audio engineering by Ally Pelphrey. The podcast is supported through Patreon.
Episodes
Astronomy Asks: How did you get there?
How is this the last episode of the season? July snuck up on us. We'll be back Sept 2 with Season 5! For now, we've got astronomers asking questions; questions like "Did you eat a planet?" and "How did you get there?" Expect the unexpected with a side of rockets.
Tracing the hidden and revealing the past
In this episode we look at the hidden and unexpected geology that may lurk beneath East Antarctica's ice sheet, evidence of past worlds and lost moons that may once have populated our solar system, and evidence of a past Supernova that today may be showering the Earth with material.
After Hours: Our shape shifting Universe with author Chanda Prescod-Weinstein
Join Pamela for an hour that looks at science and society as she talks with author and cosmologist Chanda Prescod-Weinstein. In her new book, "The Edge of Space-Time: Particles, Poetry, & the Cosmic Dream Boogie" Prescod-Weinstein weaves scientific and lyrical understandings of cosmology, bringing together the language of elders with the math of modern computational models. This combination puts o
Tails SpaceX Fails, Heads We Lose the Earth
In this episode, we look at the SpaceX SEC initial filing and put its facts and figures in context and ask, can they do it? And can the Earth survive if they succeed?
Chasing Chemistry: Missions measure comet & planet atmospheres
In this episode, we're going to look at Psyche's success at Mars, the cool 3I-ATLAS science coming from Europa Clipper and JUICE en route to the Jupiter system:, and we also look at JWST's efforts to study exoplanetary atmospheres and the weird weather of other worlds.
After Hours: Crowdsourcing Innovation with Trisha Epp
Trisha Epp joins us to talking about NASA's collaboration with Freelancer, and how Innovation is now getting crowdsourced. Join in to learn how to launch your own Moonshot! Guest Trisha Epp is a Physicist, Philosopher, and Futurist with a Masters in Geophysics from CalTech and a duel bachelors in physics and philosphy from the University of British Columbia. Since 2023, she's been the Director of
Astronomers: Improbability Finders
Pamela is on the road in this episode as we look at how (and why) astronomers keep finding the improbable, follow the evidence to possible sources of little red dots, study the power of big star clusters to move gas, and examine the merger history of little black holes into bigger ones.
Uncommon Stars
In today's episode, we look at the Voyager mission's exploration beyond our solar system, the organics Mars Curiosity Rover has discovered, the distribution of planets uncovered by the TESS mission, and how JWST measured the surface of a rocky world 50 light years away!
The One With the Dark Matter
In this episode, we're going to be looking back in time at how Dark Matter may have influenced the formation of Supermassive Blackholes, newly catalogued remnants of left over hydrogen, an ancient star found as part of a class observing project, and tales from the launch pad.
After Hours: Launching the small(er) things with Exolaunch CEO Robert Sproles
As commercial space becomes a more and more mature industry, we're seeing new needs emerge. Front and the center is the need for someone - or some company - to make it easy for folks in need of a launch to find the right ride share for their satellite, no matter how small. Enter ExoLaunch. In this episode we talk with ExoLaunch CEO Robert Sproles about what their company is accomplishing as
To Artemis, With Love
This is EVSN's love letter to the Artemis II mission.
Supervolcanoes: Erupt, Refill, Repeat
This week, in the first of our new shorter and more frequent episodes, we are going to take a look at the interplay of plate tectonics, geology, climate, and life. Specifically, we're looking at the interplay between super volcanoes and us! Did you know Naples is on a supervolcano? Also, in this episode: human sperm get lost in space.
Science in Pairs & Moon Plans Redux
Once again, we're going to attempt to get you up to date with what is going down at NASA. In addition to NASA updates, we have stories of science that comes in twos. From 2 planets forming in a disk to 2 stars coming together to shine brightly, to two asteroids that together orbit the Sun a bit faster, to two planets that collided, … it is a week for pairs.
On Background - Comets, the basics
In this special episode, funded by the National Science Foundation, we're taking a break from the headlines to share the background story of comets. Today, we'll focus on the origin of comets and their basic anatomy, and in future episodes, we'll dive deep into how comets are discovered, what we can learn from them, and how they can literally and figuratively impact our world.
Pretty Pictures & Ugly Artemis News
This episode went through a lot of rewrites as breaking news kept breaking our hearts. Artemis is still on, but there are delays and cancellations. Before we face that, let's look at some pretty pictures and remember the universe is pretty even when our Earthly-timeline is not.
Glaciers: Going, Going…Gone
The glaciers are melting, the volcanoes are erupting, and earthquakes are shaking things up. Let's discuss.
The sky is falling! Space Junk 411
In this episode, we take a closer look at how the increasing number of rockets and satellites going up mean there is also an unfortunate increase in the space junk coming down. We also cover dramatic weather, stars dying and disappearing, and update you on Maven and Paranal Observatory.
JWST Makes Sense of the Early Universe
In this episode we look at highlights from the latest American Astronomical Society Meeting. An accidental theme came out: with each new telescope and each improved instrument we can look more closely at our universe - we can and do learn more and understand more even about the things we thought we knew best. In this episode, Rubin Observatory brings rapidly rotating asteroids, and JWST peers at o
Astronomy Answers: What's that light?
In this episode, we're pleased to say we get to focus on science, as we bring you hot Jupiters, a tear-drop shaped Jupiter massed… something…? - and news of objects getting torn apart and other objects getting merged together as our universe lights up our night.
When Science Results Rhyme: Exoplanets, Supernovae, and Relativity
In this week's episode, we look at planets younger than fossils, celebrate relativity repeatedly working as expected, and peer at previously only theorized 1st generation stars using JWST. We celebrate the completion of the construction of the Nancy Grace Roman Space Telescope, and look in on all the recent launches. All this and more is coming to you right here, and right now.
Never trust a volcano & other geology tales
The world we live on today has undergone dramatic change since it first formed, and time hasn't necessarily been kind. Earth has gained some weight (and a Moon) after a chance collision. A leaky gut led to some confusing internal structures. Here on the surface, mountains keep finding new ways to pop off and destroy surroundings. But scientists are helping us understand all these factors. Learn ho
Climate Change Follows the Water
We live on an ever-changing world, and by studying the past, we can better understand our potential futures. In this episode, we follow the water and look at how past periods of glacial melt changed water levels, look into the water and see how pond and sea life add greenhouse gases to the atmosphere, and reflect on a glacier that shrank by 24 km in just 2 years. Oh, and there are also tales from
JWST's picture album of Baby stars, planets, moons and more
In this episode, we look at some of our latest discoveries about the formation of star systems, including planets and moons, and the growth of black holes. We also take a closer look at our brightening skies, and the missions set to make things worse. We also cover the latest tales from the launch pad.
Giant Black Holes Cosplay as Little Red Dots
The universe is hard enough to figure out without one kind of object dressing up as another, but - just in time for Halloween - researchers have figured out that the Little Red Dot in the early universe just might be massive black holes surrounded in a costume of glowing red gas. Also in this episode, Hyabusa2's amusingly tiny destination, a white dwarf star eating what may be an icy dwarf planet,
The Black Hole eating star with supernova sized regrets
In this week's episode, we tell the story of a Giant Blue Star that made the terrible, terrible mistake of trying to nibble on its more evolved sibling; it's black hole of a sibling. Folks, don't eat the dark holes in spacetime. We also look at this week's news, including lumpy planets, forming planets, asteroids getting up close and personal, and how Leopard spots are in style for life hunting Ma
Rockets make bad neighbors
In this week's episode, we take a look at the impact SpaceX launches from the Space Coast will have on their competitors and those living, working, and going to school near Kennedy and Cape Canaveral. We also look at a bunch of new science discoveries, including the origins of Ryugu & Bennu, the solar system shocked itself, a new supernova that blew off an unusual number of layers before exploding
It came from the outer solar system
In this week's episode we take a look at all the news our outer solar system has to offer. From newly discovered outer solar system objects to intersteller comet I3/Atlas to the Peried Meteor shower, we have icy objects and absolutely no aliens (It's never aliens #IYKYK).
Volunteer Stargazers
In this special episode we look at how volunteers throughout history have aided in scientific explorations and tell you how you can get involved with our latest community science projects.
2 Tales of 2 decades: Rubin Observatory and SpaceX Starship
Join us as we look at two parallel stories - the development of the Vera Rubin Observatory and the SpaceX Starship rocket. Both projects are 20 years in the making, and both were supposed to start work in 2019. Both hit new milestones in June, and it's time to review their very different progress. Also included in this episode: Tales from the launch pad.
When the Universe Attacks
In this episode we celebrate the 75th anniversary of the Fermi Paradox by looking at a bunch of science capable of preventing and destroying civilizations. We also review our latest not-so-great attempts to land on the moon and launch a rocket that (if it worked) could carry us to Mars.
Happy Space News! Aurorae, Planet 9, and weird things that make us say "it's not aliens"
This week, we take a closer look at the weirdly twisty search for a possible planet in our outer solar system. We'll also take in the happy science of aurorae here, at Jupiter, and over Neptune, as well as a bunch of weird discoveries that has some people screaming "It's Aliens!" (it's not aliens).
A failing look at Earth, a first look at other worlds, and more
In this week's closer look we are going to look at the earth-facing missions that are getting dragged down by our atmosphere and will be forcibly retired by physics in the next few years, again with no replacements in the works. These missions allow us to do long term monitoring of our planet, its atmosphere, and the variables that help us understand everything from weather to climate change. We a
Federal Budget Cuts: An extinction-level event
This week we look at how the elimination of science programs, projects, datasets, and funding may be shaping into an extinction-level event for US Space-related sciences. Come cry with us.
From the beginning of the universe to the beginning of spring, it's all science
Let's take a fast-paced journey through all that's new in space and astronomy, including dark energy news, the death of supersymmetry, a closer look at remoting sensing in Earth science, and tales from the launch pad.
Space is hard: IM2 Failure, Starship 8 explosion, Mars Sample Return delays, and more
Let's take a fast-paced journey through all that's new in space and astronomy, including new results from Perseverance Rover, Venusian Volcanism, Mars Sample Return (or not), Intuitive Machines' failure to land upright, Firefly Aerospace's amazing success with Blue Ghost, and tales from the launch pad.
The Book of Mars, Star Formation, and More
Let's take a fast-paced journey thru all that's new in space and astronomy, including DESI takes a census of central blackholes, star formation in clusters, and updates on Europa Clipper, along with a deep dive into Mars science, and tales from the launch pad.
Temperatures That Kill
Let's take a fast-paced journey thru all that's new in space and astronomy, including a potentially killer asteroid, a new look at the history of Earth's water, and a mini-quasi-moon, along with a deep dive into climate change, and tales from the launch pad.
Space stories of joy
It's the kind of week where we feel the need to put joy into the world, and we've made the decision to just find stories to bring a smile and share them with you. And also rockets, we're bringing you all the rocket news.
Science Here & Far: The Moon, Asteroids, Dark Comets... & Dark Energy
Let's take a fast-paced journey thru new discoveries planetary science and Cosmology. We look at Dark Comets, Io's gooey mantle, the colonization of a Ryugu sample by Earth bacteria, galaxies growing too fast too early, and more. As always, we'll also bring you tales from the launch pad.
Searching for Dark Energy in Black Holes
From baby planets to ancient black holes, let's look at the week's space news, including the discovery of a planet around a still-forming star, our Sun's massive outbursts as measured by tree rings, a new catalog of white dwarfs in binary systems, and a deep dive into the possibility that black holes create dark energy. As always, we'll also bring you tales from the launch pad.
By fire and ice: mass extinctions gone wild
Let's take a fast-paced journey thru new discoveries in past planetary destruction. From fire to ice, let's look at snowball Earth, melting permafrost, volcanoes short and long, and more. As always, we'll also bring you tales from the launch pad.
Aerospace vs Climate Change
Let's take a fast-paced journey thru all that's new in space and astronomy, including the first results from Euclid, Roman and Rubin get ready to search for Dark Energy, a deep dive into the effects of rockets and satellites on our atmosphere, and tales from the launch pad.
Hera and Clipper plan on getting up close with other worlds, and Black Hole News
Let's take a fast-paced journey thru all that's new in space and astronomy, including microscopic black holes trying to be dark matter, massive black holes firing off jets, a deep dive into Hera and Clippers journey to look at other worlds, and tales from the launch pad.
SpaceX vs FAA and EPA and Cards Against Humanity
This week we're doing something we've never done before; we're dedicating the majority of the show to a single story: SpaceX's recurring failure to follow the rules, regulations, and norms of international spaceflight. We have the receipts, and we hope that you will hear us out before you hit that comment button.
Planning for Asteroid Attacks, Dino Prints Cross Ocean, Viper Updates, & more
Let's take a fast-paced journey thru all that's new in space and astronomy, including volcanic glass beads, dino prints that span the ocean, a deep dive into asteroid exploration, and tales from the launch pad.
Mars is the future, the day the Dinos Died, a Star's Death in 3 Acts, and more
Let's take a fast-paced journey thru all that's new in space and astronomy, including new info on the origins of the Dino Killing asteroid, a star being nommed by a star, a deep dive into Mars exploration, and tales from the launch pad.
NASA Budget Woes May Murder Missions
Let's take a fast-paced journey thru all that's new in space and astronomy, including Hubble, Chandra, and VIPER face cuts/cancellations, weird exoplanet orbits, Roman gains an instrument, and tales from the launch pad.
Found: 1 Intermediate Mass Black Hole
Let's take a fast-paced journey thru all that's new in space and astronomy, including how Jupiter's Great Red Spot went missing, Io's Lava Lake, Titan's coastal erosion, and this week's tales from the launch pad. We also take a close look at the discovery of the first intermediate-mass black hole in the Omega Centauri globular cluster
JWST Reveals Star Formation Details
Let's take a fast-paced journey thru all that's new in space and astronomy, including Mars Perseverance Rover fords an ancient river, black holes sometimes form like baby stars, and this week's tales from the launch pad. We also look in detail at how JWST images reveal star formation in never-before-seen details.
Planning to go back to the moon
Let's take a quick tour of the latest news, including updates on the Hubble Space Telescopes and single gyro operations, EUCLID's image release, an amazing new image of Io by LBT, and new calculations of Pluto's oceans. We also look in detail at plans to return humans to the moon using Starship by SpaceX and Blue Moon by Blue Origin.
Climate in Crisis (and stars in formation)
In this episode, we bring you stories on how JWST - Not LIGO and Virgo - spotted the most distant Black Hole merge to date, why the search for life on other worlds gets more challenging the more we look, and we take a deep dive into the things we're doing that cause and relieve climate change.
Carrington 2024
In this episode, we're taking a closer look at Sunspot complex 3664 and the beautiful chaos that it's been creating. And because we're in a planetary science kind of mood, we're also looking at stories related to observing weather on alien worlds, the history of Mars Climate, and even how solar storms might affect that particular Red Planet.
Io and Juno Begin to Part Ways
In February, on the closest approach, NASA's Juno spacecraft was within 930 miles of the closest moon Io's surface. Since then, Juno's orbit has been shrinking, bringing the mission closer to Jupiter and away from the circling Galilean moons. Io and Juno have parted ways, and Juno is now snuggling down into tighter orbits around her Jupiter.
Catch the (Alien) Rainbow
As scientists discover and explore the atmospheres of more and more planets orbiting stars other than our Sun, we are learning that if you can imagine it, it probably exists. In a new paper discussing the planet WASP-76b, researchers describe what appears to be a giant rainbow in the atmosphere of another world... a circular rainbow... and it's not caused by refracted starlight!
Following the Water Toward Climate Change
This week's episode is brought to you by last week's terrible weather. While experiencing hail and thunder IRL, we also saw press release after press release and article after article discussing climate change. This one-two punch of new science and the need for a new roof means we will touch on climate change in our closer look this week. We apologize in advance; it's not pretty out there -- unles
Planet Formation is (Still) Not Well Understood
One of our recurring topics is "Planet formation is not well understood," and a trio of new papers is making it clear why planet formation continues to... not be well understood. Put simply: the universe likes to create more diverse solar systems than an entire planet's worth of sci-fi writers can imagine.
SPECIAL SHORT: How NASA Budget Cuts Will Hurt Space Science
Earlier in March, Congress voted into place the FY2024 budgets for multiple agencies, including NASA. The agency is being asked for an overall 2% cut. Combined with inflation rates over 3%, we are looking at a fairly significant cut to the U.S. budget for space science. Dr. Pamela Gay breaks down what these cuts will affect, including people and missions, as we move forward with this already stres
Grindavik, Iceland, and Volcanoes with Dr. Melissa Scruggs
As you know, our team loves volcanoes, and since we've been focused on Iceland for months, we brought in Dr. Melissa Scruggs (aka VolcanoDoc on Twitch) for a chat about Grindavik and all things volcanic in Iceland.
Stability, Instability, Drama, and How We are Space Stuff
It is possible to buy stickers, sweatshirts, mugs, and other stuff and things emblazoned with the simple phrase, "We are star stuff". This phrase was popularized by Carl Sagan, and it serves as a gentle reminder that all the complex atoms - by which I mean most everything heavier than helium - found their start either in the nuclear core of a star or in the nuclear explosions of a dying star or st
Early Black Holes Formed Before Stars?
One of the unexpected realities of JWST is the discovery that we have really been asking the wrong questions in many astronomy areas. For instance: we generally asked how supermassive black holes and galaxies formed, with a basic assumption that these things happened in some interrelated process. We thought stellar mass black holes came from stars and that there might have been tiny primordial bla
Yes, Scientists DO Look at the (Dark Energy Survey) Data
Every time I get the digital "why can't you scientists just look at the data" lecture, I wonder what people think scientists do. All we do is look at data, and when that data tells us our understanding of the universe is wrong, we're pretty good at accepting the data and throwing out our false understandings… even when the data makes our life a whole lot harder. Such is the case with the accelerat
Celebrating the Mars Robots that Could
Robots on Mars have a long history of exceeding all possible expectations. From Spirit and Opportunity lasting far beyond their planned 90-day missions to Ingenuity lasting 72 flights out of a planned five, these craft have become so beloved that we mourn their missions ending. Today, while we recognize NASA's Day of Remembrance, we also celebrate all the Mars missions that have done more than exp
The Compass (Sometimes... Kinda) Points North
If you take a compass and follow its pointy little needle, you will end up in Northern Canada but not at the North Pole. If you have a boat, you'll end up on Ellesmere Island wondering where Santa is hiding. The fact that the rotational north pole of the Earth and the magnetic pole of the Earth don't align means that if you want to actually get to the Earth's rotational North Pole - the one the po
Spooky Season Space Images
From October 25, 2023: Around our parent collaboration, CosmoQuest, Halloween is, hands-down, the most beloved season of the year. Costumes are worn. Yards are decorated. We are here for all the strangers that knock on our door - the weirdos, the witches, and the oh-so-many werewolves - and there will be as much candy as we can afford given out. We know we are not the only ones. With about a week
Making Anti-Matter... Matter
In this episode, we look at what tree rings can teach us about past earthquakes, and how well machine learning can identify life, like trees, from carbon-rich materials that were never alive to distant galaxies and spinning black holes. We even take a deep dive into anti-matter, but not a literal deep dive… just a conceptual deep dive.
Whales and (Possible) Space Whales
As the Thanksgiving leftovers reach the stage of possibly gaining intelligence in the back of our refrigerators, we're going to take a look at the origins of life, how we might find simple life on icy moons, and even how we can practice learning to communicate with other civilizations by chatting up a humpback whale.
Blast From the Past: Watch the Annular Eclipse on October 14!
When we headed into recording this episode, I didn't know if there would be a government shutdown or not, and I have to admit, on Saturday, September 30, I spent more than a few hours binge-watching TV shows while frequently updating my news feeds. This episode would have looked very different with a shutdown. Since we got a budget, today's episode focuses on science. In the first segment, I get t
Solar Cycle to the Maximum, 2025
Researchers currently think solar maximum - when the Sun is most active - will occur sometime in late 2024 to early 2025. With this cycle, we will experience just what a good blast of solar radiation can do to the small sats, CanSats, and other satellites in low-earth orbit. If history is to be listened to, it's only a matter of time before a solar event wreaks havoc on satellites and our ground-b
Planetary Formation Leads to Strange New Worlds
We keep tweaking our format a little bit every episode, trying to find the right mix for YouTube, podcasts, and now, short-form video. We think we the setup is on the mark now and thank you for your patience as we made adjustments. Soon, we will have content to share on TikTok and Reels. For now, enjoy this week's deep dive into planetary formation and all the ways scientists have tried to explain
It's Not Aliens (We Also Want Aliens)
There are some news cycles that are just plain weird, and this news cycle tried really, really hard to be one of them. Headlines last week highlighted that JWST observed methane and carbon dioxide in the atmosphere of a planet, which is entirely true. This headline was followed by stories that the reason could be aliens… and there is not enough data to be aliens. We want there to be definitive sig
The Volcano That Could... But Didn't
Dr. Pamela is big on volcanoes, and she hoped we'd have an awesome new eruption to report, but we don't. There is, however, still a lot of news this week that doesn't include an Iceland eruption. Instead, the news includes the first images from a new spacecraft, updates on Lucy's discovery of a contact binary, and more on the OSIRIS-REx sample return. (This episode was originally released in video
More (Failed) Observations of Dark Matter
In this week's episode, we look at the upcoming solar maximum, how solar activity affects Neptune, the robotic invasion fleet on Mars, and how some of the weirdest star systems in reality have been able to form. In our closer look, we fail to see dark matter - like everyone - but observe its gravitational impact on light from objects we can see. (This episode was originally released on YouTube Sep
A River Runs Through It - Mars and Titan
This episode reminds you to look up, look out, and reflect on what we see around us. Stories cover a weird white dwarf that is doing things our Sun may do billions of years from now, how satellite images can now be used to measure river flows here and on Mars, and Titan, as well as the emerging field of planetary geoarcheology, that will help us understand just how long it will take for Mars rover
Satellite Constellations and Early Warning Systems
According to satellite cataloger Jonathan McDowell, there are now 18 satellite constellations, like Starlink, being planned. These constellations will contain 543,811 satellites. This is a whole lot of missions to try and keep from colliding and all it takes is one particularly bad collision to transform the more than half-million objects from useful technologies to a shield of shrapnel that prote
The Universe is (Still) Trying to Murder Us
In today's episode, we're going to look at everything from how past Earth couldn't support photosynthesis because the days were just too short, to current Earth letting us get hit by more Cosmic Rays prior to Earthquakes going off, and to supernovae threatening our world while alien stars eat other planets. Science, sometimes, is just kind of violent. (This episode was originally released on YouTu
Once and Future Life on Venus, Earth, and Mars
Each week, when we set off to do this show, we start with one core idea: We want to tell you what is new in space and astronomy… and remember Earth is a planet too. When we select stories, we try to find the ones we're excited to talk about over coffee, or the ones we know we will be sharing randomly with strangers who make the mistake of asking, "What do astronomers do?" We are here, week after w
Earth Science is Planetary Science
In this episode, we need to take one of our periodic looks at our planet's science and understand what it means to life as we know it. But we will only look at Earth for the first two segments. Then we're going to race away to enjoy an interview by Beth Johnson with Dr. Kat Volk about the icy Trans-Neptunian Objects that fill the spaces around Neptune and beyond Pluto. In our final segment, we loo
A New Space Race?
Space science isn't where the money is… at least not yet. Astronomy and planetary science in the U.S. are funded by NASA, the National Science Foundation, and a variety of smaller foundations and extremely wealthy individuals. And this means that sometimes science can only advance at the speed Congress is willing to budget. The U.S. is in a new space race with China, and our ability to remain comp
The History of Life As We Know It
In this episode, we're going to look at how we now work to understand the history of life - including human life - on Earth by studying the geology of our planet, and we're going to take those lessons learned and apply them to Mars, and exoplanets beyond our solar system. (This episode was originally released on YouTube May 13, 2023.)
Meteors, Meteor Showers, and their Parent Bodies
In this episode, we're going to be talking more about meteors - including the source of the Geminids meteor shower, asteroid Phaethon - as well as hot planets, hungry black holes, and how we're working to uncover the identity of dark matter. (This episode was originally released on YouTube May 6, 2023.)
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