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PODCAST

EVSN: Escape Velocity Space News

Dr. Pamela Gay, Erik Madaus, Ally Pelphrey

Get your weekly dose of all that"s new in space and astronomy with Escape Velocity Space News. The sky is not the limit, as we bring you the latest scientific discoveries and rocket launches. EVSN is brought to you by the team behind CosmoQuest at the Planetary Science Institute and features hosts Dr. Pamela L. Gay and Erik Madaus, with audio engineering by Ally Pelphrey. EVSN is supported through Patreon at https://www.patreon.com/CosmoQuestX.

science astronomy

All Episodes

16:57

Magnitude 7.2 Earthquake Strikes Haiti to Devastating...

EVSN: Escape Velocity Space News ·

2021/08/17

A magnitude 7.2 earthquake shook the island nation of Haiti, destroying thousands of homes and resulting in the loss of over 1,400 people. Additionally, Tropical Depression Grace arrived and hampered rescue efforts. Plus, the asteroid Phaethon is outgassing sodium, studying Mars’ moons in the search for life, and how dust storms helped dry out Mars.

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16:11

Evidence for Icy Crust Found at Ceres’ Occator Crater

EVSN: Escape Velocity Space News ·

2021/08/13

Using a neutron spectrometer onboard the Dawn spacecraft, scientists have found elevated concentrations of hydrogen in Ceres’ Occator Crater, which provides evidence of an icy crust. Plus, everything is on fire in the western United States, and we review “The Past is Red” by Catherynne M. Valente.

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17:06

NASA’s OSIRIS-REx Finds Bennu Collision Risk Nearly...

EVSN: Escape Velocity Space News ·

2021/08/12

After careful analysis of orbital data, gravitational forces, and several other factors, NASA’s OSIRIS-REx team calculated the risk of a collision with near-Earth asteroid Bennu to be %0.057 through 2300. Plus, magnetites in meteorites reveal solar system history, and the constellation Ophiuchus is What’s Up.

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17:22

Rocket Roundup for August 11th, 2021

EVSN: Escape Velocity Space News ·

2021/08/11

On this week’s Rocket Roundup, China launches two different rockets and an ISS resupply brings new technology and also student involvement. Plus, this week in rocket history, we look back at the impact the Landsat program has had on the monitoring of the Earth’s climate.

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15:27

Chandra X-ray Observatory Captures Light Echoes...

EVSN: Escape Velocity Space News ·

2021/08/10

Based on X-ray detections from the Neil Gehrels Swift Observatory, scientists used the Chandra X-ray Observatory and found rings called light echoes moving out from a black hole and its companion star, reflecting off the surrounding dust clouds. Plus, solving the puzzle of the Sun and using glassy nodules to find a meteorite impact.

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19:36

NASA’s TESS Maps Symphony of Pulsating Red Giant Stars

EVSN: Escape Velocity Space News ·

2021/08/06

NASA’s TESS spacecraft, which is primarily used to search for exoplanets, has now observed a veritable symphony of pulsating red giant stars, each with their own internal vibrations. This work was presented at this week’s TESS Science Conference. Plus, some more climate change news (bad) and superflares may be less harmful to exoplanets than thought (good).

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22:35

NASA Identifies Possible Lunar Mantle Rocks on Lunar...

EVSN: Escape Velocity Space News ·

2021/08/05

Two new studies have possibly identified regions on the Moon’s surface that could contain pieces of the lunar mantle, which would be possible sample targets for the Artemis mission. Plus, Venus gets a double flyby next week, and it’s all about asteroids and meteor showers in this week’s What’s Up.

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22:31

Rocket Roundup for August 4th, 2021

EVSN: Escape Velocity Space News ·

2021/08/04

On this week’s Rocket Roundup, China launches another military satellite, Rocket Lab returns to flight, Arianespace returns to flight, and a Chinese private rocket fails. Plus, this week in rocket history, we look back at the first time two crewed spacecraft from the same country were in orbit at the same time.

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16:27

Rough Lunar Surface Provides Safe Haven for Water Ice

EVSN: Escape Velocity Space News ·

2021/08/04

Last year’s announcement that water ice had been found on the dayside of the Moon by the SOFIA observatory prompted scientists to understand just why that could work, and they found that the Moon’s rough surface creates frost pockets. Plus, all the climate change news over the millennia (Pamela’s back, everyone!).

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19:12

New Research Say Clays Are What’s Beneath Mars’ South...

EVSN: Escape Velocity Space News ·

2021/07/30

Continuing the ongoing saga of just what is under the Martian south polar ice caps, new research has once again analyzed radar data, and this time, scientists find that clays known as smectites are responsible for the bright reflections once thought to be subsurface lakes. Plus, drama with an ISS docking and some more oddball exoplanets to round out the week.

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17:47

Light Observed From Behind Black Hole for First Time

EVSN: Escape Velocity Space News ·

2021/07/29

Once again, science has proved Einstein’s theories correct. This time, observations taken with ESA’s XMM-Newton and NASA’s NuSTAR space telescopes have seen x-ray flashes bent from behind a black hole. Plus, so many exoplanet stories (Beth was left in charge) and this week’s What’s Up.

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20:23

Rocket Roundup for July 28, 2021

EVSN: Escape Velocity Space News ·

2021/07/29

For this week’s Rocket Roundup, we have exactly zero launches to cover. What’s up with that? In the meantime, we talk about Europa Clipper’s launch announcement, Blue Origin’s attempt to be a part of Artemis, and what a NOTAM is and how we use it. Plus, this week in rocket history, we look back at the launch of the Chandra X-ray Observatory.

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18:57

Hubble Detects Water Vapor in Ganymede’s Atmosphere

EVSN: Escape Velocity Space News ·

2021/07/27

Scientists analyzed archival data from the Hubble Space Telescope and found evidence of water vapor in the atmosphere of Jupiter’s moon Ganymede. The water vapor is present due to thermal escape from the icy surface of the moon. Plus, a “fizzled” gamma-ray burst and all the exoplanets!

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18:37

InSight Lander Reveals Structure of Mars

EVSN: Escape Velocity Space News ·

2021/07/23

In three new papers released this week, scientists analyzed data from NASA’s InSight lander to reveal the structure of Mars and its layers, including information about the planet’s crust, lithosphere, mantle and core. Plus, isotopes in an exoplanet’s atmosphere, a potential exomoon being formed, the heart of a radio galaxy, and black holes impeding stellar birth.

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17:03

Hubble Returns to Observations with Oddball Galaxies

EVSN: Escape Velocity Space News ·

2021/07/22

After several weeks of trying different methods, the operations team successfully revived the stalwart Hubble Space Telescope, which experienced a payload computer fault back on June 13. The first images taken were of several unusual galaxies. Plus, Jupiter’s moon Io triggers radio emissions from the giant planet, and this week, What’s Up returns with a look at the Summer Triangle.

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18:01

Rocket Roundup for July 21, 2021

EVSN: Escape Velocity Space News ·

2021/07/21

On this week’s Rocket Roundup, Russia launches a long delayed ISS module with a new space toilet, New Shepard conducts its first crewed launch, and China launches some more secret satellites. Plus, this week in rocket history, we look back at Apollo 11.

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16:38

Fossilized Remains of Hydrothermal Microbes Found

EVSN: Escape Velocity Space News ·

2021/07/16

The fossilized remains of methane-cycling microbes have been found in exposed sedimentary seafloor rocks in South Africa. These microbes, dating back 3.42 billion years, could extend the fossil record back to when life first began on Earth. Plus, teenage exoplanets orbit sibling stars and gamma ray bursts happen on schedule.

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18:52

Rogue Planets Found Near Milky Way’s Core

EVSN: Escape Velocity Space News ·

2021/07/16

Using data collected by NASA’s Kepler Space Telescope, scientists have found four free-floating, or rogue, planets near the core of the Milky Way. These planets formed in discs in other planetary systems and were thrown out by gravitational interactions with larger planets. Plus, the early solar system, including ancient Earth, Jupiter’s chemistry, and Mercury’s core.

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18:30

Rocket Roundup for July 14th 2021

EVSN: Escape Velocity Space News ·

2021/07/14

For this week’s Rocket Roundup, we have all the Chinese launches! Plus SpaceX launches a ton of satellites on one rocket, Virgin Orbit launches a few satellites from a plane, and Virgin Galactic sends a few employees to space. Plus, this week in rocket history, we look back at the Apollo-Soyuz Test Project.

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19:04

Impact Gardening Churns Surface of Saturn’s Moon Europa

EVSN: Escape Velocity Space News ·

2021/07/14

Over tens of millions of years, the surface of Europa has been churned by impacts down to an average depth of 30 centimeters. This churning means that the search for chemical biosignatures must look below that zone. Plus, methane and icequakes at Enceladus, predicting underwater eruptions, Virgin Galactic's flight, and a Chinese spacewalk.

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206 results

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