Get Oort Cloud facts. Learn about its location and size, the objects it may contain, and how scientists study it.| Science Notes and Projects
Get facts about the Kuiper belt, including what it is, how far out it extends, and what bodies (Kuiper belt objects or KBOs) it contains.| Science Notes and Projects
Learn about the solar system in astronomy. Get its definition, discover the planets in order, and get interesting facts.| Science Notes and Projects
Learn how to calculate your weight on other planets and see values for weight in pounds and kilograms within the solar system.| Science Notes and Projects