YouTube: https://youtube.com/watch?v=-k1zB-65SA4
Previous: Israel Is Getting Ready for Their First Moon Landing! | SciShow News
Next: New Surprises from the Asteroid Bennu | SciShow News

Categories

Statistics

View count:585
Likes:69
Dislikes:1
Comments:14
Duration:07:00
Uploaded:2019-03-19
Last sync:2019-03-19 15:10
Go to curiositystream.com/Space to start streaming Miniverse. Use the promo code "space" during the sign-up process to get your first 30 days free.

There’s probably life somewhere besides Earth, but all the exoplanets are so far away we may never see their surfaces in detail or intercept a clear radio signal from them. How do we determine if a distant planet has life?

Host: Reid Reimers

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://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:

Bill & Katie Scholl, Adam Brainard, Greg, Alex Hackman, Andrew Finley Brenan, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, 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:
https://www.space.com/24276-dyson-spheres-how-advanced-alien-civilizations-would-conquer-the-galaxy-infographic.html
https://earthsky.org/space/what-is-a-dyson-sphere
https://aasnova.org/2018/08/27/seti-on-the-side-seeking-dyson-spheres-with-gaia/
https://arxiv.org/abs/1103.5369
https://www.space.com/13514-alien-city-artificial-lights-extraterrestrial-planets.html
https://arxiv.org/abs/1608.06930
http://advances.sciencemag.org/content/4/1/eaao5747
https://iopscience.iop.org/article/10.1088/2041-8205/792/1/L7/meta
https://iopscience.iop.org/article/10.1088/2041-8205/792/1/L7/meta
https://news.nationalgeographic.com/2018/01/mystery-of--alien-megastructure--star-has-been-cracked/
------
Images:
https://www.spacetelescope.org/videos/hubblecast97e/
https://www.videoblocks.com/video/9-in-1-4k-ultra-hd-pack-of-green-screen-ufo-flying-saucer-alien-spaceship-realistic-spacecraft-ruucgiyxliusisuh7
https://www.spacetelescope.org/videos/heic1705a/
https://www.videoblocks.com/video/3d-rendered-video-with-bacteria-b8fdzhkjjzj7rz7wf7
https://www.istockphoto.com/photo/alien-mega-structure-dyson-sphere-around-a-distant-star-in-front-of-the-milky-way-gm698572974-129417777
https://www.istockphoto.com/photo/a-swarm-of-asteroids-in-front-of-the-galaxy-gm914145772-251616949
https://commons.wikimedia.org/wiki/File:Red_fluorescent_representatives_of_five_different_reef_fish_families.jpeg
https://www.eurekalert.org/multimedia/pub/191961.php
https://commons.wikimedia.org/wiki/File:New_shot_of_Proxima_Centauri,_our_nearest_neighbour.jpg
https://www.videoblocks.com/video/cloud-timelapse-c4ws2uy
https://svs.gsfc.nasa.gov/20250https://commons.wikimedia.org/wiki/File:KIC_8462852_in_IR_and_UV.png
https://www.jpl.nasa.gov/spaceimages/details.php?id=pia20053
https://www.istockphoto.com/vector/set-of-monsters-isolated-on-white-background-gm921660984-253086924
https://www.istockphoto.com/vector/big-martian-panorama-gm945479754-258239099
No transcript to display.