DO NOT TIP. This is an unofficial YouTube mirror of PBS Space Time (https://youtu.be/xJCX2NlhdTc). If you want to tip PBS Space Time please visit https://www.patreon.com/pbsspacetime/. Convince PBS Space Time to join Odysee! ----------------------------- PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Check out the new Space Time Merch Store! https://pbsspacetime.com/ Support Space Time on Patreon https://www.patreon.com/pbsspacetime Every astronomy textbook tells us that soon after the Big Bang, there was a period of exponentially accelerating expansion called cosmic inflation. In a tiny fraction of a second, inflationary expansion multiplied the size of the universe by a larger factor than in the following 13 and a half billion years of regular expansion. This story seems like a bit of a … stretch. Is there really any mechanism that could cause something like this to happen? What what we’re covering today – the real physics of cosmic inflation. Hosted by Matt O'Dowd Written by Matt O'Dowd Graphics by Leonardo Scholzer Directed by Andrew Kornhaber Produced By: Kornhaber Brown Dark Energy Playlist: https://www.youtube.com/playlist?list=PLsPUh22kYmNA6WUmOsEEi32zi_RdSUF4i The Quantum Vacuum and Hawking Radiation Playlist https://www.youtube.com/watch?v=OvgZqGxF3eo&list=PLsPUh22kYmNAHB1W2_Ka2F83sObdczwKr Most cosmologists buy some variation of the inflation hypothesis. It seems to very neatly solve some of the biggest questions in cosmology. Those being: why is matter and energy so smoothly spread out across the entire observable universe? And why is the geometry of the universe so flat? Neither should be expected unless the universe expanded much more rapidly early on. We explored these problems in an earlier video – worth a look if you really want to get inflation. Another problem fixed by inflation is the absence of magnetic monopoles – strange particles predicted to have been produced in the early universe. We’ll come back to those another time. Big Bang Supporters: Anton Lifshits David Nicklas Fabrice Eap Juan Benet Justin Lloyd Morgan Hough Quasar Supporters: Mark Heising Mark Rosenthal Tambe Barsbay Vinnie Falco Hypernova Supporters: Chuck Zegar Danton Spivey Donal Botkin Edmund Fokschaner Hank S John Hofmann John R. Slavik Jordan Young Joseph Salomone kkm Mark Heising Matthew Matthew O'Connor Syed Ansar Gamma Ray Burst Supporters: Adrien Hatch Alexey Eromenko Andreas Nautsch Bradley Jenkins Brandon Labonte Carlo Mogavero Daniel Lyons David Behtala DFaulk Dustan Jones Geoffrey Short James Flowers James Quintero John Funai John Pollock Jonah Jonathan Nesfeder Joseph Dillman Joseph Emison Josh Thomas Kevin Warne Kyle Hofer Malte Ubl Mark Vasile Nathan Hitchings Nick Virtue Paul Rose Ryan Jones Scott Gossett Sigurd Ruud Frivik Tim Jones Tim Stephani Tommy Mogensen Yurii Konovaliuk سلطان الخليفي

DO NOT TIP. This is an unofficial YouTube mirror of PBS Space Time (https://youtu.be/gEagBK4Xb1w). If you want to tip PBS Space Time please visit https://www.patreon.com/pbsspacetime/. Convince PBS Space Time to join Odysee! ----------------------------- Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Support us on Patreon! http://www.patreon.com/pbsspacetime Help translate our videos! http://www.youtube.com/timedtext_cs_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7g Okay, going to Mars is going to be expensive. Not only that, but who we choose to pick on that trip also needs to have the statistically lowest chance of… perishing. So it might be the case that our best scenario is all female crew! The Mars Rover is doing some small work, but there are some things humans are just better at. Failing a Mars Mission (and no, Mars One doesn’t count) would be a big setback, so we need to get our first attempt right. So, who’s best suited for the trip? Well, watch this episode of PBS Space Time to find out why it may be advantageous to have our first mars mission be all women! Extra Credit: 2014 NASA Study On Effect of Sex/Gender on Space Adaption: http://online.liebertpub.com/doi/pdfplus/10.1089/jwh.2014.4914 http://online.liebertpub.com/toc/jwh/23/11 theguardian UK Article Citing Source About Advantages of Women Astronauts: http://www.theguardian.com/world/2010/mar/08/china-mothers-space-astronauts http://www.theguardian.com/commentisfree/poll/2010/mar/09/china-space PBS Makers: Women in Space: http://video.pbs.org/video/2365346239/ http://www.makers.com/documentary/womeninspace Kate Greene article in Slate: http://www.slate.com/articles/health_and_science/space_20/2014/10/manned_mission_to_mars_female_astronauts_are_cheaper_to_launch_into_outer.html NASA HI-SEAS facility: http://hi-seas.org/ Source for Mars Mission Food/Fuel Approximations: https://www.nasa.gov/pdf/143163main_Space.Food.and.Nutrition.pdf http://www.uh.edu/sicsa/library/media/publications/AIAA_2013 ----------------------------------------­­­­­­­­­------------------------------- Comments: greg peden https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z12budkzksn0drlsp23ktxbxkljgvjp1r Davide Conte https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z12mep3blrfuex21223mgx4y3sjdwrhqz04 Fortstorm https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z122ufig2pqvwpnow04cipsbcszwsfigwxc0k Thomas Archuleta https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z13lvlqy4qnuuzsmk224ddugqq25t3efr CGIAgent https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z13zydxjtqvxcx1sg22fvfnqcknqspisv Jon Nielson https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z122tzw53uzvhzqyg04cgvb4nvmkzh4jgeg Sciina Bocere https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z12jsvcpvyn2ybykc22ofnrrkrijejrj104 WATCHIT1337 https://www.youtube.com/watch?v=EHKQIC5p8MU&lc=z13mxljo1tj3ubr1b22wffpzrninw3xld Music: Pinball Beat - Patternbased (https://soundcloud.com/patternbased) Buster - Patternbased (https://soundcloud.com/patternbased) Heater Core - Patternbased (https://soundcloud.com/patternbased) Heisse Luft - Thompson and Kuhl (https://soundcloud.com/phlow/05-x-com) Philly D Jr. - Patternbased (https://soundcloud.com/patternbased) Dr. Dreidel - Patternbased (https://soundcloud.com/patternbased) Doing’ the Birdie Flap - Patternbased (https://soundcloud.com/patternbased) miracle - slow (http://www.restingbell.net/releases/r...) Nervewracking - Patternbased (https://soundcloud.com/patternbased) Secret Society - Logical Disorder (‪http://logicaldisorder.bandcamp.com/‬) Tropico de Tauro - Sr. Aye https://soundcloud.com/sr-aye) New SpaceTime episodes every Wednesday! Hosted by Gabe Perez-Giz Made by Kornhaber Brown (www.kornhaberbrown.com)