14 Fun Facts About ExoplanetsJeannie Meekins
The Soviet Union's Sputnik 1 satellite took to the skies on Oct. 4, 1957, launching the space age and the Cold War space race. Here are a few fun facts you may not know about Sputnik 1 and its brief but world-changing mission.
Planet Facts Let's learn all about the planets of our solar system! There are eight planets in our solar system, but did you know there used to be nine of them? Let's dive right in and explore the planets. Quick Planet Facts Only a very small portion of