Our sun is one reason life on Earth is possible, but what if its mass doubled? Watch More: https://www.youtube.com/watch?v=1bVfzBD-40E Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios?ty=h Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin Click here to see more videos: https://www.youtube.com/user/lifenoggin 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. Life Noggin Team: Director/Voice: http://lifenogg.in/patgraziosi Executive Producer: http://lifenogg.in/IanDokie Director of Marketing: http://lifenogg.in/JaredOban Animation by Steven Lawson Head Writer: http://lifenogg.in/KayleeYuhas Written by: Andrea Bloom: https://twitter.com/DreBloom Special thanks: Dr. Ian O'Neill: https://twitter.com/astroengine Sources: https://www.scientificamerican.com/article/origin-of-oxygen-in-atmosphere/ https://astroengine.com/2008/07/16/what-type-of-star-is-our-sun/ https://aeon.co/essays/could-we-make-our-home-on-a-rogue-planet-without-a-sun https://history.nasa.gov/EP-177/ch3-1.html https://imagine.gsfc.nasa.gov/educators/lifecycles/Imagine2.pdf http://www.space.com/23772-red-dwarf-stars.html https://science.nasa.gov/astrophysics/focus-areas/how-do-stars-form-and-evolve http://curious.astro.cornell.edu/our-solar-system/the-sun https://science.nasa.gov/science-news/science-at-nasa/2003/02oct_goldilocks https://medium.com/starts-with-a-bang/how-many-habitable-planets-are-in-our-galaxy-5bcf6db80c7f#.c8a3adb7g http://www.space.com/13759-greenhouse-effect-habitable-zone-alien-planets.html http://astro.unl.edu/naap/habitablezones/animations/stellarHabitableZone.html http://astro.unl.edu/naap/hr/hr_background3.html http://faculty.wcas.northwestern.edu/~infocom/The%20Website/large.html https://apod.nasa.gov/apod/ap000611.html http://skyserver.sdss.org/dr1/en/proj/advanced/hr/radius1.a