A single year on Pluto is longer than the whole history of the USHere's a fairly astounding fact: The entire history of the United States has unfolded in the time it's taken Pluto to orbit the Sun once. The United States has been around for 238 years. A year on Pluto is 248 years. NASA's New Horizons probe is now closing in on Pluto, due to reach it in July…
Vox.com
Vox.com