April shared this video of her kids having a blast in the backyard, playing with their new rocket launcher. The excitement was contagious as they launched the rockets into the air. But just when it ...

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 ...