1. There are 8 planets in our solar system. Until 2006 there were 9, but scientists decided that Pluto wasn’t big enough to be a planet.The eight plantets are: Mercury…
Space Space The Universe: http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/index.html *What isâ¦. Dark matter? Anitmatter? The Solar System Solar System…