Asteroid = big rock orbiting the Sun ☄️Meteoroid = smaller space chunk 🪨Meteor = the glowing streak in our sky (“shooting star”) ✨Meteorite = the piece that survives and hits the ground 🌍 View this post on Instagram A post shared by XF7 Space (@xf7space)

Actually there's nothing like zero gravity.Technically speaking, gravity does exist everywhere in the universe because it is defined as the force that attracts two bodies to each other.Astronauts inside the space station are constantly falling towards the earth. It is also moving at a very high speed - 17,500 miles per hour.It moves at a speed that matches the way Earth's surface curves. If a pers...