Learn what a derived unit is in chemistry and physics, get examples, see a list of metric or SI derived units of measurement.| Science Notes and Projects
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
Kepler’s laws of planetary motion, explained with history, comparisons, equations, examples, implications, and modern applications.| Science Notes and Projects
January 5 marks the passing of Harold Urey. Urey was an American chemist who was awarded the 1934 Nobel Prize in Chemistry for his discovery of deuterium.| Science Notes and Projects
Get the definition of a light year in astronomy. See examples of distances in light years and how the unit compares with parsecs and AU.| Science Notes and Projects