Using Galaxy Clusters to Look Into the Past

Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground! History Pop: http://youtube.com/historypop Stories Retold: http://youtube.com/storiesretold Hashed Out: http://youtube.com/hashedout Hosted by: Hank Green SciShow has a spinoff podcast! It s called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Old galaxy: https://doi.org/10.1038/s41550-019-0888-7 https://academic.oup.com/mnras/article/399/3/1191/1073770 https://arxiv.org/pdf/1801.09719.pdf https://www.eurekalert.org/pub_releases/2019-10/miot-aug101019.php https://arxiv.org/pdf/1901.06939.pdf ICON: https://www.space.com/nasa-icon-space-weather-mission-launch-success.html https://www.nasa.gov/sites/default/files/atoms/files/icon_presskit_oct2019.pdf https://www.nasa.gov/mission_pages/launch/pegasus_countdown101.html https://www.researchgate.net/profile/Nesrin_Sarigul-Klijn/publication/237448317_Flight_Mechanics_of_Manned_SubOrbital_Reusable_Launch_Vehicles_with_Recommendations_for_Launch_and_Recovery/links/541d1de40cf241a65a15cf41/Flight-Mechanics-of-Manned-SubOrbital-Reusable-Launch-Vehicles-with-Recommendations-for-Launch-and-Recovery.pdf Images: https://svs.gsfc.nasa.gov/12599 https://en.wikipedia.org/wiki/File:Accretion_disk.jpg https://www.nasa.gov/mission_pages/chandra/multimedia/gb1428.html https://svs.gsfc.nasa.gov/12699 https://www.nasa.gov/image-feature/hurricane-florence-as-it-was-making-landfall-0 https://svs.gsfc.nasa.gov/12910