Should we colonize Mars, or just build a planet from scratch? Watch More: How Much Is Space Worth? ►►►► https://www.youtube.com/watch?v=lT11_2h6_LY&list=UUpJmBQ8iNHXeQ7jQWDyGe3A Get your exclusive Life Noggin merch: http://www.keeponthinking.co Support Life Noggin on Patreon: https://www.patreon.com/LifeNogginStudios Official Website: https://lnstudios.co Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.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 - Ian Dokie: http://instagram.com/iandokie Director of Marketing: http://lifenogg.in/JaredOban Animation by Robert Grisham Written by Michael Sago: https://twitter.com/MichaelSago Sources: https://www.nasa.gov/jpl/finding-another-earth https://exoplanets.nasa.gov/the-search-for-life/habitable-zones/ http://www.amnh.org/exhibitions/permanent-exhibitions/rose-center-for-earth-and-space/david-s.-and-ruth-l.-gottesman-hall-of-planet-earth/why-is-the-earth-habitable https://www.e-education.psu.edu/astro801/content/l12_p4.html https://science.nasa.gov/science-news/science-at-nasa/2016/special-ingredients-earth http://coolcosmos.ipac.caltech.edu/ask/58-What-is-Earth-made-of- https://www.nasa.gov/mission_pages/sunearth/news/gallery/earths-dynamiccore.html https://www.space.com/17777-what-is-earth-made-of.html https://www.nationalgeographic.org/encyclopedia/mantle/ https://www.nationalgeographic.org/encyclopedia/core/ http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/elabund.html http://planetfacts.org/what-is-earth-made-of/ https://water.usgs.gov/edu/earthhowmuch.html https://www.nasa.gov/vision/earth/everydaylife/jamestown-needs-fs.html https://science.nasa.