The Milky Way's Black Hole Burped 3.5 Million Years Ago

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The black hole at the center of the Milky Way is quiet now, but new evidence suggests that it woke up around 3.5 million years ago. And Enceladus may have the the building blocks of the building blocks of life.

Host: Caitlin Hofmeister

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Sources:
https://www.eurekalert.org/emb_releases/2019-10/acoe-nla100319.php
https://www.scienceinpublic.com.au/wp-content/uploads/ASTRO-3D-Ionisation-cones-full-paper.pdf
https://www.jpl.nasa.gov/news/news.php?release=2019-197
https://academic.oup.com/mnras/article/489/4/5231/5573821/
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Images:
https://commons.wikimedia.org/wiki/File:X-RayFlare-BlackHole-MilkyWay-20140105.jpg
https://www.eso.org/public/images/potw1511a/
https://images.nasa.gov/details-PIA12348
https://www.eurekalert.org/multimedia/pub/213073.php
https://www.istockphoto.com/photo/walton-lighthouse-at-the-santa-cruz-harbor-in-monterey-bay-gm1039589904-278298076
https://en.wikipedia.org/wiki/File:PIA17202_-_Approaching_Enceladus.jpg
https://www.jpl.nasa.gov/video/details.php?id=1404
https://www.istockphoto.com/vector/amino-acids-main-structural-chemical-formulas-gm474667562-65007551
https://www.nasa.gov/image-feature/jpl/pia20013/enceladus
https://www.nasa.gov/image-feature/jpl/pia21887/last-enceladus-plume-observation
https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA23173
https://www.istockphoto.com/photo/underwater-background-gm514419706-88089315