What exactly are the invisible things out there, and how did they help form the universe as we know it? To explore and understand the most spectacular structures out there, scientists have been using cosmic shear to indirectly detect dark matter, and map out and how it’s distributed around the universe.
This video was sponsored by Skillshare. The first 1000 people who click the link will get 2 free months of Skillshare Premium: https://skl.sh/scishowspace2
Hosted by: Caitlin Hofmeister
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:
Kevin Bealer, Jacob, Katie Marie Magnone, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Jeffrey McKishen, Scott Satovsky Jr, James Knight, Sam Buck, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, Charles George, Christoph Schwanke, Greg, Lehel Kovacs, Bd_Tmprd
———-
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:
https://newatlas.com/dark-matter-filaments-found/23281/
https://ui.adsabs.harvard.edu/abs/2005MNRAS.364..433B/abstract
https://www.space.com/40255-hubble-telescope-einstein-ring-photo.html
https://arxiv.org/abs/astro-ph/0003338
https://physicsworld.com/a/cosmic-shear-reveals-dark-matter-in-new-high-resolution-map/
https://arxiv.org/abs/1210.0032
https://iopscience.iop.org/article/10.1088/0034-4885/78/8/086901
https://phys.org/news/2018-03-unprecedentedly-wide-sharp-dark.html
https://academic.oup.com/pasj/article/70/SP1/S25/4774314
https://academic.oup.com/pasj/article/72/1/16/5732415
https://www.aanda.org/articles/aa/pdf/forth/aa33880-18.pdf
https://www.nature.com/articles/s41550-020-1044-0
https://www.aanda.org/articles/aa/abs/2020/02/aa36512-19/aa36512-19.html
https://www.lsst.org/science/dark-energy/cosmic_shear
https://astronomy.swin.edu.au/cosmos/C/Concordance+Model
https://www.theguardian.com/science/2019/oct/03/scientists-observe-mysterious-cosmic-web-directly-for-first-time
Images:
https://svs.gsfc.nasa.gov/12314
https://svs.gsfc.nasa.gov/20244
https://commons.wikimedia.org/wiki/File:Bullet_cluster_lensing.jpg
https://svs.gsfc.nasa.gov/12599
https://www.nasa.gov/mission_pages/hubble/science/dark-matter-map-gallery.html
https://subarutelescope.org/en/results/2018/03/01/2251.html
https://svs.gsfc.nasa.gov/10663
https://svs.gsfc.nasa.gov/10118
https://svs.gsfc.nasa.gov/10135
Watch Now
