and sometimes the ninth. As an effect of Pluto’s orbit, Pluto sometimes crosses in front of Neptune for a couple years. In 1613, Galileo saw Neptune and predicted it was just a star. In 1845, Urbain Jean Joseph Le Verrier and John Couch Adams mathematically predicted the location of Neptune. Then, Le Verrier asked Johann Gottfried Galle and Heinrich Louis d’Arrest to look for the planet. After looking for just a couple minutes the men found Neptune. Neptune was the first planet to be found based off
Astronomy Astronomy is not just about the stars. Astronomy is about the constellations, the nine planets, the sun and the moons. The solar system is very complex and has many extraordinary objects. There are four different types of stars: Protostars, Bright Stars, Red Giants, and White Dwarfs. Protostars are stars that are on the verge of being born. They are glowing clouds of dust and gas. Gravity pulls on every atom moving them towards the center of the cloud of dust, which causes the Protostar