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astro[sound]bites

astrosoundbites
astro[sound]bites
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  • Episode 104: Star Destroyers
    That stars die will be old news for most listeners. But sometimes, stars don’t just die, they get ripped apart by supermassive black holes. Cormac, Cole and Lucia discuss these so-called tidal disruption events. Specifically, how these events are connected to X-ray absorption features called extreme coronal lines. The hosts also take a look at one of the true superstars of supernova remnants: the Crab Nebula. As it turns out, studying the ejecta can give clues about the pulsar at the heart of the nebula. The discussion revolves around the every-day of doing science. Spoiler: it’s not all like solving exercise sheets. A New Look at Our Old Friend, the Crab Nebula https://astrobites.org/2025/03/16/new-look-at-crab/ Exploring the remains of a destroyed (death) star https://astrobites.org/2025/03/08/exploring-the-remains-of-a-destroyed-death-star/  Space Sound: https://youtu.be/aG300vtQ1es
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  • Episode 103: Lambasting Lambda CDM
    Shoot, someone made the mistake of letting Cole pick the episode topic. In this episode, Cole, Cormac, and Shashank talk about the big boy on cosmology campus: Lambda CDM. This model has gotten a bit too big for its britches we think: what are the things about the universe that this model can’t explain? Shashank gives us a tour through the dark matter hearts of galaxies which don’t match up with cosmological predictions and Cormac shows us how 1500 (ish? We’re not clear on this one.) supernovae could hint at a fundamental flaw in Lambda CDM.   Astrobites: Testing cosmology with the DES 5-year supernovae dataset: https://astrobites.org/2024/03/22/template-post-21/   Digging into the Core: Dark Matter and Dwarf Galaxies https://astrobites.org/2015/07/14/digging-into-the-core-dark-matter-and-dwarf-galaxies/   Space Sound: Listen to the hum of NANOGrav's gravitational wave background https://www.youtube.com/watch?v=nGO0wQK9ns4
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  • Episode 102: Per-severance Ad Astra
    In this episode, Cormac, Lucia and Cole lift the lid on the lifecycle of space missions by peering into a preponderance of proposals. If you’ve ever wondered how your favourite telescope, rover or probe made it into space, then wonder no more. Lucia brings us a novel way to track potentially hazardous space junk using 5G, while Cole teases us with some magnetic results from the LISA Pathfinder mission. We also discuss our favourite proposed space missions, and debate the right balance between risk and reward. Astrobites: https://astrobites.org/2024/08/13/5g-signals-to-track-space-trash/ https://astrobites.org/2024/12/21/template-post-15-2/ Space Sound: https://www.nasa.gov/audio-and-ringtones/ (First Acoustic Recording of Laser Shots on Mars)
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  • Episode 101: Weather Woes
    Episode 101: Weather Woes   In this episode, we take a dive into weather phenomena in space. Shashank, Cormac and Lucia discuss what the terms hot and cold mean in space and the temperature ranges we tend to see outside the Solar System and the galaxy. Then, Cormac tells us about the climate on Venus, and Lucia delves into cold fronts between galaxies. Finally, we round off with some hot takes about the most underrated parts of the electromagnetic spectrum in astrophysics!   Astrobites: https://astrobites.org/2024/12/24/its-getting-hot-in-here-so-take-off-all-your-h2o/ https://astrobites.org/2024/11/11/cold-front-outside/   Space sound: https://www.youtube.com/watch?v=XYXAdXf5gWU
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  • Episode 100: Be There or Be Ten Squared
    Astrobites turns 100! For our ten squared-th episode we take a tour of all of the extremes of astrophysics: the heaviest and the lightest, the fastest and the slowest, the brightest and dimmest. In doing so, Shashank covers an astrobite on itty bitty particles that pack a big punch, Lucia talks about medium-ish galaxies and their black hole hearts, and Cormac panics about the danger of violent kilonovae. To help us celebrate, we meet up with some old friends to discuss dark matter, exoplanets, and how ridiculously long a Ph.D. takes.  Astrobites: https://astrobites.org/2024/06/06/agns-quenching-dwarf-galaxies/ https://astrobites.org/2013/06/04/cosmic-rays-from-the-telescope-array/ https://astrobites.org/2023/11/20/kilonova-safety/ https://astrobites.org/2018/08/16/do_the_milky_ways_stellar_streams_have_that_fuzzy_dark_matter_feeling/ https://astrobites.org/2022/11/28/evaporating-exoplanet/ Space sound: http://soundcloud.com/alexhp-1/supernova-sonata MIT study on children thinking logarithmically: https://news.mit.edu/2012/thinking-logarithmically-1005#:~:text=Cognitive%20scientists%20theorize%20that%20that's,is%2031%2C%20or%203.
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About astro[sound]bites

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