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Astrobites for your ears. Three grad students bring you cutting-edge research findings in astronomy and connect the dots between diverse subfields.
Astrobites for your ears. Three grad students bring you cutting-edge research findings in astronomy and connect the dots between diverse subfields.
Episodes

Monday Jul 03, 2023
Episode 77: The Air out There
Monday Jul 03, 2023
Monday Jul 03, 2023
We take a deep breath of exoplanet atmospheres, discussing what JWST is capable of and what it already has accomplished using transmission spectroscopy. In this episode, we learn that Sabrina misses SOFIA, brown dwarfs have sandy clouds, and Will knows a thing or two about Picaso (yes, that’s with one “s”). AND as a tribute to Black Space Week, following up from Episode 76, the papers we presented in this episode were both written by Black astronomers.
Astrobites:
https://astrobites.org/2021/12/22/atmospheres-small-planets-big-telescope/
https://astrobites.org/2022/09/02/jwsts-first-direct-spectrum/
Space sound: HARP. You can sign up to be a part of this amazing citizen science research!

Sunday Jun 18, 2023
Episode 76: Black In Astro 2023
Sunday Jun 18, 2023
Sunday Jun 18, 2023
Only 1% of Physics PhDs awarded to US citizens were to Black students in 2019 (according to the American Institute of Physics). In celebration of Juneteenth, we’ve invited the Black In Astro team to chat about their mission to support and highlight Black people in space science-related fields. We hear about their trajectories in space sciences and astronomy and their perspectives on the future. This episode’s release also marks the beginning of Black Space Week hosted by Black in Astro! They tell us how the celebration will be bigger and better in 2023 to continue celebrating Black scientists worldwide.
Black In Astro: https://www.blackinastro.com/
Black Space Week 2023: https://www.blackinastro.com/posters-and-advertisements-for-bsw2023
Juneteenth: https://www.nytimes.com/article/juneteenth-day-celebration.html
Black Representation in Physics & Astronomy: https://astrobites.org/2020/06/12/blackinastro-black-representation-in-astro-physics-and-the-impact-of-discrimination/
American Institute of Physics Report: https://www.aip.org/statistics/reports/trends-physics-phds-171819
Articles:
https://www.nature.com/articles/s41578-021-00361-5
https://hbr.org/2019/11/the-costs-of-codeswitching
https://onezero.medium.com/a-break-up-letter-with-astronomy-from-a-young-black-woman-a30de24fe209
https://www.scientificamerican.com/article/how-diversity-makes-us-smarter/

Monday May 29, 2023
Episode 75: Stellar Snacks
Monday May 29, 2023
Monday May 29, 2023
Did you know that talking about astronomy can actually make you hungry? In this episode, Kiersten and Will take us on a culinary adventure through food themed astrobites. Instead of starting with the main course, Will takes us to Mars for dessert where we dine on a meteorite that initially got confused for a huge piece of chocolate. Then, Kiersten takes us to a stellar cooking class where we learn about the ingredients needed to make small exoplanets and its striking similarities to baking a cake.
Sonification & Visualization:
Sounds of Exoplanet Systems: https://www.youtube.com/watch?v=idlB8JgKGU4
Astrobites:
https://astrobites.org/2023/04/29/cacao-meteorite-and-other-fe-ni-meteorites-on-mars/
https://astrobites.org/2022/10/21/the-great-planet-bake-off/

Sunday May 14, 2023
Episode 74: Super Co-Host, Super Alex, Supernova
Sunday May 14, 2023
Sunday May 14, 2023
Before we bid our tearful farewells to Alex, Sabrina and Kiersten present and discuss two of his three publications. We learn how Alex developed and deployed a machine learning model to classify supernovae using only photometry from their host galaxies! Now that Alex is a *doctor*, he’s taking his machine learning and supernova expertise to MIT and Harvard. During the episode, Will peppers Alex with some important and some…less than important interview questions. Together the gang explores what happens when you try to replace your friend with an AI.
Paper Kiersten presented: https://arxiv.org/pdf/2105.09963.pdf
Paper Sabrina presented: https://arxiv.org/pdf/2305.08894.pdf
Another of Alex’s papers (for the supernova lovers): https://arxiv.org/pdf/2008.09630.pdf
Alex’s inspiration for Will’s space sound: https://twitter.com/alexgagliano/status/1648034047942066176?cxt=HHwWgICw1YSP_94tAAAA

Saturday Apr 29, 2023
Episode 73: Astrophysical Prison Break
Saturday Apr 29, 2023
Saturday Apr 29, 2023
We’re planning a prison break! But first, we’re consulting the experts on this topic. Sabrina takes us to a distant galaxy cluster to figure out how so much light is escaping. Once we know how it’s breaking free, Will brings us back a little closer to home where he consults with the Trojans (and we don’t mean the ones from Homer’s Odyssey) about how a fraction of their fellow soldiers made a successful getaway. As Kiersten comes along for the ride, she makes the terrible mistake of mentioning the dreaded space sound by name. Will we successfully escape? Or will we be caught and forced to listen to space sounds forever?
Astrobites:
https://astrobites.org/2023/03/11/
https://astrobites.org/2020/05/13/
Space sound:

Saturday Apr 15, 2023
Episode 72: A Trip to the Optometrist
Saturday Apr 15, 2023
Saturday Apr 15, 2023
In case your graduate student insurance doesn’t cover you over the summer, join us now as we take a quick trip to the optometrist! Kiersten checks the prescription of a neural network in finding strong lenses, and compares the results to those found by the original signers of the Declaration of Independence (there were 56, not 55, but Will gets his facts from National Treasure). Will takes us to the bleeding edge of the early Universe to a tiny protocluster lensed by JWST. Alex can’t decide on a final space sound so he chooses a black hole, a giant star, an X-ray transient, a quasar, AND a nova, all wrapped into one.
Astrobites:
https://astrobites.org/2023/02/16
https://astrobites.org/2022/12/17
Space sound:

Saturday Mar 25, 2023
Episode 71: Galaxies Say Halo
Saturday Mar 25, 2023
Saturday Mar 25, 2023
Today we say halo from a bird’s eye view of the Universe by exploring some of the largest simulations that exist. Kiersten tells us how cosmological simulations help us study the black hole populations that the next generation of gravitational wave detectors will discover. We also say our first goodbye to Alex as he presents his last astrobite (but don’t worry, he’ll still be around for a few more episodes!). He teaches us that most astrophysicists do not have an aversion to genetically modified organisms, especially when those GMOs are dark matter halos in the early universe.
Want to join the team? Apply to be an a[s]b co-host here!
Sonification & Visualization: https://vimeo.com/160122270
The Datasaurus Dozen: https://www.autodesk.com/research/publications/same-stats-different-graphs
Astrobites:
https://astrobites.org/2023/03/09/smbh-mergers-in-cosmological-simulations/

Saturday Mar 11, 2023
Episode 70: Astronomy 10 Years into the Future Part II
Saturday Mar 11, 2023
Saturday Mar 11, 2023
Who knew a decade would fly by so quickly? In the dramatic conclusion of our two-part series, we explore cosmology, supernovae, and galaxy evolution in the year 2033 (or 2034, if you ask Kiersten about Dragonfly). Alex tells us how massive stars might live out their final days (after a few too many disclaimers), and Sabrina portmanteaus her way through the early universe with a baby quasar in tow. We get eight futuristic forecasts from colleagues near and far (and none of them are Australian), and then we throw out our wildest predictions to tie it all together.
Do you think we’ll see a Galactic supernova soon? Will we discover life on Mars, Titan, or in the surface chemistry of some distant exoplanet? Or will a solar storm fry all our tech before we get there? Let us know by tweeting at us @astrosoundbites. We can’t wait to discuss.
Astrobites:
https://astrobites.org/2021/09/29/a-stars-final-words/
https://astrobites.org/2022/05/11/missing-link-quasars/
Space sound:
https://twitter.com/esascience/status/990625583989186560
AGN/Galaxy classification guide:

Sunday Feb 26, 2023
Episode 69: Astronomy 10 Years into the Future Part I
Sunday Feb 26, 2023
Sunday Feb 26, 2023
What will astronomy be like in the year 2033?
In the first of this two-part series, we predict the (short-term) fate of the solar system, exoplanets, and the culture of astronomy a decade down the line. Kiersten and Will both focus on planets, one close to home and the other (hopefully) not too far away. We then get futuristic forecasts from six guest astronomers working around the world, who paint us an exciting (and slightly troubling) picture of new-wave astrophysics, covering everything from the role of machine learning to a crisis in publishing, with discoveries of Earth-like exoplanets in between!
Stay tuned for Part II, in which Alex and Sabrina will talk about the more distant universe and eight more guest astronomers describe the future of their fields.
Astrobites:
astrobites.org/2023/02/13/earth-as-an-exoplanet/
astrobites.org/2021/05/08/where-to-find-biosignatures-on-mars-a-case-for-clays/
Space sound:
https://eos.org/articles/nasas-perseverance-rover-records-the-first-sounds-of-a-dust-devil-on-mars
Imaginable book: janemcgonigal.com/2021/12/17/imaginable-how-to-see-the-future-coming-and-feel-ready-for-anything-even-things-that-seem-impossible-today/
Superforcasting book:
wsp.wharton.upenn.edu/book/superforecasting/

Sunday Feb 12, 2023
Episode 68: Breaking the Stigma around Community College Part II
Sunday Feb 12, 2023
Sunday Feb 12, 2023
In our second episode taking another in-depth look into community college, we start off by hearing about Sabrina’s experiences. She tells us about her journey from attending high school abroad to starting community college. Kiersten also interviews , Prof. Andria Schwortz, a physics and astronomy professor at Quinsigamond Community College. Join us on an adventure to Europe, community college, and with a second love story sprinkled in. Don’t forget to check out our associated astrobites beyond post!
Prof. Andria Schwortz twitter: https://twitter.com/aschwortz
Equity image link: https://healthcity.bmc.org/policy-and-industry/health-equity-vs-health-equality-whats-difference
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