Our sun is one reason life on Earth is possible, but what if its mass doubled?
Watch More:    • What If The Earth Were Twice As Big?  

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Life Noggin is a weekly animated educational series. Whether it's science, pop culture, history or art, we explore it all and have a ton of fun doing it.

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Written by: Andrea Bloom:   / drebloom  

Special thanks: Dr. Ian O'Neill:   / astroengine  

Sources:
https://www.scientificamerican.com/ar...
https://astroengine.com/2008/07/16/wh...
https://aeon.co/essays/couldwemake...
https://history.nasa.gov/EP177/ch31...
https://imagine.gsfc.nasa.gov/educato...
http://www.space.com/23772reddwarf...
https://science.nasa.gov/astrophysics...
http://curious.astro.cornell.edu/our...
https://science.nasa.gov/sciencenews...
https://medium.com/startswithabang...
http://www.space.com/13759greenhouse...
http://astro.unl.edu/naap/habitablezo...
http://astro.unl.edu/naap/hr/hr_backg...
http://faculty.wcas.northwestern.edu/...
https://apod.nasa.gov/apod/ap000611.html
http://skyserver.sdss.org/dr1/en/proj...
https://solarsystem.nasa.gov/planets/...
http://www.space.com/23910habitable...
https://van.physics.illinois.edu/qa/l...