If you wanted to fall through Earth, you would need to build an airless vacuum straight through the core. Gravity would take you from one side of the planet to the next within forty minutes. Just be sure to wear a space suit so the intense heat doesn't burn you up.
Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more.
Subscribe to our channel and visit us at: http://www.businessinsider.com/science
Science Insider on Facebook: / businessinsiderscience
Science Insider on Instagram: / science_insider
Business Insider on Twitter: / businessinsider
Tech Insider on Twitter: / techinsider