When it comes to recognizing those who dare to dream grand and lofty goals, don’t forget to include the man who proposed moving our entire solar system.
When it comes to incredibly-large numbers, it’s hard to outdo the stars in the sky. Take anything on earth and compare its numbers to the stars in the Milky Way, and it […]
Although the number of galaxies is so vast that they cannot be accurately counted, they have one thing in common. All disk galaxies, no matter their size or mass, rotate once every […]
If you want to obscure your view of something, a grain of sand is probably not the first thing that you would choose. It is so small that it is hard to […]
A galactic year (also known as a cosmic year) is the amount of time it takes for our solar system to orbit the center of the Milky Way. Traveling at 514,000 mph […]
Black holes — also known as “singularities” — can be big or small. Scientists think the smallest black holes are as small as just one atom. These black holes are very tiny […]