The Mystery of the Star That Wasn t There

Sign up to Morning Brew for free today https://morningbrewdaily.com/scishowspace. Sponsored by Morning Brew In the 1970s, astronomers discovered a mysterious source of gamma rays that, 50 years later, still hasn’t revealed all of its secrets. Hosted by: Hank Green ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss! Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShowSpace Or by checking out our awesome space pins and other products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? SciShow on TikTok: https://www.tiktok.com/@scishow SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://ui.adsabs.harvard.edu/abs/1975ApJ...198..163F/abstract https://www.annualreviews.org/doi/abs/10.1146/annurev.astro.34.1.331 https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.103.051101 https://ui.adsabs.harvard.edu/abs/1987ApJ...319..358B/abstract https://www.nature.com/articles/357306a0 https://www.nature.com/articles/357222a0 https://ui.adsabs.harvard.edu/abs/1998A%26A...335L..21S/abstract https://ui.adsabs.harvard.edu/abs/1981ICRC....1..177M/abstract https://ui.adsabs.harvard.edu/abs/1979ApJ...231L.121L/abstract https://ui.adsabs.harvard.edu/abs/1979AJ.....84...71V/abstract https://ui.adsabs.harvard.edu/abs/1977ApJ...213..252T/abstract https://ui.adsabs.harvard.edu/abs/1997ApJ...477..905H/abstract https://ui.adsabs.harvard.edu/abs/1993ApJ...415..286H/abstract https://iopscience.iop.org/article/10.1088/0004-637X/815/2/126 https://ui.adsabs.harvard.edu/abs/1995ApJ...438..314R/abstract https://www.nevis.columbia.edu/reu/2018/Report_Emily_Harris.pdf https://heasarc.gsfc.nasa.gov/docs/sas2/sas2.html https://imagine.gsfc.nasa.gov/science/objects/neutron_stars1.html https://astronomy.com/magazine/ask-astro/2018/06/radio-waves-from-pulsars https://www.esa.int/Science_Exploration/Space_Science/Old_pulsars_still_have_new_tricks_to_teach_us https://www.esa.int/Enabling_Support/Operations/XMM-Newton_sees_hot_spots_on_neutron_stars https://www.nasa.gov/feature/goddard/2019/nasa-s-fermi-mission-links-nearby-pulsar-s-gamma-ray-halo-to-antimatter-puzzle Images: https://commons.wikimedia.org/wiki/File:SAS_2.gif https://www.gettyimages.com/detail/illustration/full-electromagnetic-spectrum-information-royalty-free-illustration/932443826?adppopup=true https://www.gettyimages.com/detail/video/powerful-x-ray-burst-erupting-from-a-magnetar-nasa-stock-footage/1295073375?adppopup=true https://commons.wikimedia.org/wiki/File:Halo_around_pulsar_Geminga.jpg https://commons.wikimedia.org/wiki/File:GeminiCC.jpg https://commons.wikimedia.org/wiki/File:Geminga_by_Chandra_and_Spitzer.jpg https://svs.gsfc.nasa.gov/13058 https://commons.wikimedia.org/wiki/File:Pulsar_model.jpg https://www.eso.org/public/images/eso9215a/ https://commons.wikimedia.org/wiki/File:Pulsar_2.jpg https://svs.gsfc.nasa.gov/vis/a010000/a010800/a010861/ https://www.nasa.gov/topics/universe/features/exoplanetHouseOfHorrors.html https://www.gettyimages.com/detail/video/pulsar-in-the-depths-of-space-fast-spinning-neutron-star-stock-footage/1210198748?adppopup=true https://commons.wikimedia.org/wiki/File:Geminga_and_PSR_B0355%2B54_by_Chandra_and_Spitzer.jpg https://svs.gsfc.nasa.gov/4638 https://commons.wikimedia.org/wiki/File:ESO-VLT-Laser-phot-33a-07.jpg https://www.eso.org/public/images/eso1217a/ https://svs.gsfc.nasa.gov/4647 https://www.eurekalert.org/multimedia/850100 https://www.gettyimages.com/detail/illustration/realistic-mobile-phone-mockup-cellphone-app-royalty-free-illustration/1372155514?adppopup=true