The U.S. Department of Energy was created in 1977 by merging two agencies with different missions: the Atomic Energy Commission, which developed, tested and maintained the nation’s nuclear weapons, ...
For example, Jupiter is the most massive planet in our solar system. It’s so big, it could swallow 1,000 Earths. So it requires a very high escape speed: 133,100 mph (about 214,000 kilometers per hour ...