#1 By: Akemi Iwaya, January 30th, 2014 13:20
Originally published at: http://www.howtogeek.com/180981/how-we-look-for-extraterrestrial-life/
Have you ever wondered what criteria or signs scientists look for when studying exo-planets for signs of life? Today’s video discusses the topic, the fascinating information we are already learning about exo-planets via space telescope, and what we hope to find in the future.
#2 By: system, February 9th, 2014 13:20
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