Weekly Space Hangout – Details, episodes & analysis

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Weekly Space Hangout

Weekly Space Hangout Journalist Team

Science

Frequency: 1 episode/9d. Total Eps: 81

The Weekly Space Hangout with Fraser Cain and our team of Journalists brings you the latest in space news as well as interviews with special guests from the space and science community. This podcast is funded through Patreon.com/CosmoQuestX and produced out of the Planetary Science Institute.

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Weekly Space Hangout — January 11, 2023: The Final Episode

Thursday, January 12, 2023 • Duration 49:07

Join us this week for our first News Roundup of the New Year, which is also the final episode of the Weekly Space Hangout! Thank you to everyone who made this show possible over the years and who helped bring science to the community!

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The Weekly Space Hangout is a production of CosmoQuest. Want to support CosmoQuest? Here are some specific ways you can help:

Subscribe FREE to our YouTube channel at https://www.youtube.com/c/cosmoquest
Subscribe to our podcasts Astronomy Cast and Daily Space where ever you get your podcasts!
Watch our streams over on Twitch at https://www.twitch.tv/cosmoquestx – follow and subscribe!
Become a Patreon of CosmoQuest https://www.patreon.com/cosmoquestx
Become a Patreon of Astronomy Cast https://www.patreon.com/astronomycast
Buy stuff from our Redbubble https://www.redbubble.com/people/cosmoquestx
Join our Discord server for CosmoQuest - https://discord.gg/X8rw4vv
Join the Weekly Space Hangout Crew! - http://www.wshcrew.space/

Don't forget to like and subscribe! Plus we love being shared out to new people, so tweet, comment, review us... all the free things you can do to help bring science into people's lives.

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Weekly Space Hangout — January 4, 2023: Dr. Eddie Schwieterman Discusses Nitrous Oxide as a Biosignature

Thursday, January 5, 2023 • Duration 01:00:27

Historically, scientists using spectrographic analysis to study exoplanet atmospheres have considered oxygen and methane as two key biosignatures when identifying "life-friendly" planets. But could nitrous oxide (N2O) — aka "Laughing Gas" — also be a reliable biosignature? A recent paper published in the October, 2022, Astrophysical Journal explains why N2O can — and should — be included as a biosignature gas. Tonight we are pleased to welcome the paper's lead author, Dr. Eddie Schwieterman, astrobiologist at UC Riverside, to discuss why N2O is an indicator of life.

Dr. Eddie Schwieterman is an Assistant Professor of Astrobiology in the Department of Earth and Planetary Sciences at the University of California, Riverside. He earned his undergraduate degrees in physics and astrophysics from the Florida Institute of Technology and his PhD in astronomy and astrobiology from the University of Washington in Seattle.

Dr. Schwieterman studies the climate, atmospheric chemistry, geochemical evolution, and spectral appearance of terrestrial (rocky) planets. His research specifically focuses on the habitability and potential biosignatures of exoplanets.

To learn more about Eddie's research visit his website (www.eddieschwieterman.com) and follow him on Twitter: @nogreenstars.

You can also read more about nitrous oxide as biosignature in the following SciNews article: Nitrous Oxide Could Help Detect Extraterrestrial Life on Exo-Earths.

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The Weekly Space Hangout is a production of CosmoQuest. Want to support CosmoQuest? Here are some specific ways you can help:

Subscribe FREE to our YouTube channel at https://www.youtube.com/c/cosmoquest
Subscribe to our podcasts Astronomy Cast and Daily Space where ever you get your podcasts!
Watch our streams over on Twitch at https://www.twitch.tv/cosmoquestx – follow and subscribe!
Become a Patreon of CosmoQuest

Weekly Space Hangout — December 14, 2022: Chillin' with Dr. Francis Halzen, PI of IceCube

Thursday, December 15, 2022 • Duration 01:02:59

Viewers who watched/listened to our November 16, 2022, episode may remember that Dr. Leah Jenks told us about high-energy neutrino emissions from NGC 1068 (Messier 77) that were detected by IceCube. This week we are pleased to welcome Dr. Francis Halzen, Principal Investigator for IceCube, who will discuss the significance of these detections in understanding how active galaxies "work," and potentially ushering in the age of Neutrino Astronomy.

With funding from the National Science Foundation the IceCube project at the South Pole melted eighty-six holes over 1.5 miles deep in the Antarctic icecap to construct an enormous astronomical observatory. The experiment discovered a flux of neutrinos reaching us from the cosmos, with energies more than a million times those of neutrinos produced at accelerator laboratories. These cosmic neutrinos are astronomical messengers coming from some of the most violent processes in the universe and from the biggest explosions since the Big Bang. We will discuss the IceCube telescope and highlight the recent discoveries that some high-energy neutrinos — and cosmic rays — originate from sources powered by rotating supermassive black holes.

Francis Halzen is a Vilas and Gregory Breit Distinguished Professor of Physics at the University of Wisconsin–Madison.

Born in Belgium, Halzen received his Master’s and PhD degrees from the KUL Leuven, Belgium, and has been on the physics faculty at UW–Madison since 1972; in 2021, Halzen was named a Vilas Research Professor, one of the university’s most prestigious honors. He has been a fellow of the American Physical Society since 1994, and is the recipient of numerous awards, including the 2014 "Smithsonian" American Ingenuity Award, the 2015 Balzan Prize, a 2018 Bruno Pontecorvo Prize, the 2019 IUPAP Yodh Prize, the , the , and honorary doctorates at several universities.

Weekly Space Hangout — December 7, 2022: The Science of the L1527 "Butterfly" with Dr. Karl Stapelfeldt

Season 2022

Saturday, December 10, 2022 • Duration 57:26

During our November 16th show, Carolyn Collins Petersen introduced us to the hourglass/butterfly of L1527, an image captured by JWST using its onboard NIRCam. (You can read the original story here. This week we are joined by Dr. Karl Stapelfeldt, Chief Scientist for NASA's Exoplanet Exploration Program at JPL who will help us understand the science behind this amazing structure.

Karl earned a B.S.E. in Aerospace Engineering and Engineering Physics at Princeton University, and a Ph.D. in Astrophysics at Caltech. His career at NASA includes positions at both the Jet Propulsion Laboratory and most recently at the Goddard Space Flight Center, where he has served as the Chief of Goddard's Exoplanets and Stellar Astrophysics Laboratory since 2011.

Karl’s NASA science contributions include project science roles for the Hubble and Spitzer Space Telescopes and science observations using the Herschel Space Observatory. He served as chair of the Exoplanet-Coronagraph Probe-Scale Science and Technology Definition Team, and as a member of the Astrophysics Subcommittee of the NASA Advisory Council.

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The Weekly Space Hangout is a production of CosmoQuest. Want to support CosmoQuest? Here are some specific ways you can help:

Subscribe FREE to our YouTube channel at https://www.youtube.com/c/cosmoquest
Subscribe to our podcasts Astronomy Cast and Daily Space where ever you get your podcasts!
Watch our streams over on Twitch at https://www.twitch.tv/cosmoquestx – follow and subscribe!
Become a Patreon of CosmoQuest https://www.patreon.com/cosmoquestx
Become a Patreon of Astronomy Cast https://www.patreon.com/astronomycast

Weekly Space Hangout: November 30, 2022 - News Roundup!

Thursday, December 1, 2022 • Duration 37:36

It's time for another News Roundup ! Buckle up for another hour of news!!

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The Weekly Space Hangout is a production of CosmoQuest. Want to support CosmoQuest? Here are some specific ways you can help:

Subscribe FREE to our YouTube channel at https://www.youtube.com/c/cosmoquest
Subscribe to our podcasts Astronomy Cast and Daily Space where ever you get your podcasts!
Watch our streams over on Twitch at https://www.twitch.tv/cosmoquestx – follow and subscribe!
Become a Patreon of CosmoQuest https://www.patreon.com/cosmoquestx
Become a Patreon of Astronomy Cast https://www.patreon.com/astronomycast
Buy stuff from our Redbubble https://www.redbubble.com/people/cosmoquestx
Join our Discord server for CosmoQuest - https://discord.gg/X8rw4vv
Join the Weekly Space Hangout Crew! - http://www.wshcrew.space/

Don't forget to like and subscribe! Plus we love being shared out to new people, so tweet, comment, review us... all the free things you can do to help bring science into people's lives.

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Weekly Space Hangout — November 23, 2022: Hipparchus' Lost Star Catalogue with Dr. Victor Gysembergh

Friday, November 25, 2022 • Duration 01:01:49

Greek astronomer Hipparchus, who lived in the second century BCE, is considered to be the greatest astronomical observer of his time. Among his achievements are the development of trigonometry, the ability to predict solar eclipses, discovering and measuring the precession of the equinoxes, and, in approximately 135 BCE, the compilation of the first comprehensive star catalogue in the western world. Since that time, scientists have spent centuries searching for Hipparchus' Star Catalogue, but it disappeared and has never been found.

Or has it?

In 2017, researchers used multispectral imaging and computer algorithms to examine an ancient manuscript that had been discovered in a Greek Orthodox monastery in Egypt in 2012. The resulting images not only uncovered astronomy-related writings (e.g., Eratosthenes’ star-origin myths and the third-century poem Phaenomena about the constellations,) but also hidden in the manuscript were star coordinates. Could this manuscript include part of Hipparchus' star catalogue?

Tonight we are airing Fraser's prerecorded interview with Dr. Victor Gysembergh, research professor at the French National Scientific Research Centre. Victor is one of the two experts who examined the manuscript images - tune in to hear all about his conclusions.

Victor Gysembergh is a CNRS research professor at the Centre Léon Robin (Sorbonne Université). He is currently working on an edition of the fragments of Eudoxus of Cnidus, as well as on editions of Claudius Ptolemy’s treatise On the Analemma and his recently discovered treatise on the Meteoroscope.

You can read all about this exciting discovery here: https://news.artnet.com/art-world/medieval-parchment-worlds-oldest-star-map-2195744

You can also read the resulting paper about this find here: https://journals.sagepub.com/doi/epub/10.1177/00218286221128289

Weekly Space Hangout — November 16, 2022: Up, Up, & Away with Dr. Jacob Izraelevitz and JPL's Venus Aerial Robotic Balloons

Thursday, November 17, 2022 • Duration 56:10

Despite the romance associated with Venus for millennia thanks to its having been named after the Roman god of love, Venus has proven to anything BUT romantic - LITERALLY! Combining the toxic and corrosive composition of its atmosphere with the crushing pressure exerted on anything that attempts to venture too far into it, Venus is the last place most of us would choose for a date. These conditions proved to be disastsrous for missions that sent traditional craft to the planet. To date, the only "craft" to have survived for more than a few hours are the 1985 Soviet Vega 1 and Vega 2 balloon missions where each survived just over 46 hours before their batteries ran out. It would seem that baloons are the way to go!

This week we are joined by Dr. Jacob Izraelevitz, Principal Investigator of the JPL project that is developing robotic balloons — currently called aerobots — that will eventually (hopefully) lead to successful exploration of Venus. In July, 2022, a one-third scale prototype aerobot successfully completed two test flights and achieved controlled flight at more than 4000 feet. These flights were coordinated by Near Space Corporation, a commercial provider of high altitude/near space platforms and flight services.

You can read all about this exciting project in the article written by WSH and Universe Today alumnus Ian O'Neill.

Dr. Jacob Izraelevitz is a Robotics Technologist and Group Lead at the NASA Jet Propulsion Laboratory in the Extreme Environment Robotics Group, and is the Principal Investigator of JPL's Variable-Altitude Venus Aerobots development task.

His career at JPL has primarily sat at the interface of controls and fluid mechanics, covering both powered and buoyant aerial platforms for Venus and Mars. Jacob also acts in a systems engineering role for instrument accommodation on the Europa Lander.

Jacob received his Ph.D. and M.S. in Mechanical Engineering from the Massachusetts Institute of Technology in the aerodynamics of flapping wings, and B.S. in Mechanical Engineering from Olin College of Engineering.

Weekly Space Hangout — November 9, 2022: Untying an Early "Cosmic Knot" with Dr. Andrey Vayner

Thursday, November 10, 2022 • Duration 53:39

Since its final commissioning and being placed in service, JWST has been delivering on its promise to provide unprecedented insight into the most distant — and oldest — regions of our Universe. Whether it's providing a new view of our nearby neighbor Jupiter, or sussing out never-before-seen details of the iconic Eagle Nebula and its Pillars of Creation, let's face it - the imagery so far has been nothing less than stunning! But more importantly, the data being collected by JWST's onboard instrumentation are allowing scientists the ability to peer back in time to study the oldest cosmic structures while they are still in their infancy, potentially unlocking never-before understood processes that have led to the Universe as we know it today.

This week we are joined by Dr. Andrey Vayner, a member of a multinational team led by Dominika Wylezalek of Heidelberg University (Germany) that has been studying SDSS J165202.64+172852.3, an “extremely red” QUASAR that dates back to the earliest days of the Universe, some 11.5 billion years ago. Using data collected by NIRSpec, JWST's near infrared spectrograph (https://webb.nasa.gov/content/observatory/instruments/nirspec.html), the team has been able to confirm the presence of not just one, but three, companion galaxies of the QUASAR that are actively in the process of merging.

Andrey is a Postdoctoral Fellow at Johns Hopkins University Physics and Astronomy Department. He obtained his Ph.D. from UC San Diego in 2019. He studies how galaxies and supermassive black holes evolve over cosmic time using advanced ground and space-based telescopes. His current focus is on early-release science observations with JWST, studying the most powerful active galactic nuclei that are heavily obscured by dust.

Want to learn more about this exciting research? Visit:

Want to take a deeper dive? You can find the team's paper on Arxiv.

To follow Andrey and learn more about his research, visit: and you can also follow him on Twitter:

Weekly Space Hangout — November 2, 2022: Revisiting Apollo Photographically with Andy Saunders, Author of Apollo Remastered

Season 2022

Thursday, November 3, 2022 • Duration 01:02:05

This week we are airing our prerecorded interview with Andy Saunders, the author and creative force behind the new book "Apollo Remastered." Andy used his talent and expertise to digitally remaster and restore the original flight film from America's first missions to the Moon. Universe Today's own Nancy Atkinson (who is also a WSH alumna,) interviewed Andy this past month, and as a special treat, Nancy is joining us tonight as well.

Andy Saunders is a British author, science writer, and one of the world's foremost experts of NASA digital restoration. His photographic work has been exhibited internationally at some of the most renowned venues, and regularly makes headlines in the world press - including BBC News, CBS News, Daily Telegraph, New York Times, USA Today, Smithsonian Magazine and Fox News, among others. His remastered images have also been utilised by NASA and reside in their own archives.

To learn more about Apollo Remastered, including where you can get your own copy of this gorgeous book and/or reprints of images in the book, visit https://www.apolloremastered.com/.

To learn more about Andy, visit https://www.apolloremastered.com/bio.

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The Weekly Space Hangout is a production of CosmoQuest. Want to support CosmoQuest? Here are some specific ways you can help:

Subscribe FREE to our YouTube channel at https://www.youtube.com/c/cosmoquest
Subscribe to our podcasts Astronomy Cast and Daily Space where ever you get your podcasts!
Watch our streams over on Twitch at https://www.twitch.tv/cosmoquestx – follow and subscribe!
Become a Patreon of CosmoQuest https://www.patreon.com/cosmoquestx

Weekly Space Hangout — October 26, 2022: The ATA Searches for Technosignatures with Dr. Sofia Sheikh from the SETI Institute

Season 2022

Saturday, October 29, 2022 • Duration 53:55

As we discover new exoplanets on an almost daily basis - particularly now that JWST is online - scientists are ramping up their research into identifying those planets that may exhibit traces of life (as we know it.) Scientists use spectrographs to examine the composition of these exoplanet atmospheres looking markers called technosignatures - trace elements that may be indicative of life. What constitutes a technosignature? Does the presence of one or more technosignatures mean that an exoplanet is a strong candidate for hosting life? Can atmospheric markers not included in our current list of technosignatures still be indicative of life, just not as we know it? This week, we welcome Dr. Sofia Sheikh from the SETI Institute to discuss how the ATA is playing an instrumental role in this research.

Dr. Sofia Z. Sheikh is a radio astronomer and astrobiologist working at the SETI Institute. She obtained her undergraduate degrees in physics and astronomy at UC Berkeley, and has recently returned to the Bay Area with an NSF-ASCEND Postdoctoral Fellowship after getting her PhD in Astronomy and Astrobiology at Penn State. Currently, she is performing SETI searches and studying pulsars and fast radio bursts with the Allen Telescope Array, a 42-dish radio array located in Hat Creek, California.

You can learn more about the Allen Telescope Array (ATA) by visiting their website.

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Cover image/file is licensed under the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/deed.en. File name: Technosignatures.jpg; https://commons.wikimedia.org/wiki/File:Technosignatures.jpg Study name: "Searching for technosignatures in exoplanetary systems with current and future missions" Study/source: https://www.sciencedirect.com/science/article/pii/S0094576522002594 Authors of the study: Jacob Haqq-Misraa, Edward W. Schwieterman, Hector Socas-Navarro, Ravi Kopparapu, Daniel Angerhausen, Thomas G. Beatty, Svetlana Berdyugina, Ryan Felton, Siddhant Sharmaa, Gabriel G. De la Torre, Dániel Apai, TechnoClimes 2020 workshop participants

Weekly Space Hangout – Details, episodes & analysis

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Weekly Space Hangout – Details, episodes & analysis

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