70 likes | 257 Views
Jay taub provides online study material about our galaxy,solar system,black holes etc.for more info visit us @ jaytaub.net
E N D
Jay Taub OnLine Astronomy ClassClass JT-101 Astronomy Basics In this class you will learn: Our solar system – The eight planets Other solar systems Galaxies Black holes Intelligent life on other planets
Our Solar System • Mercury • Venus • Earth • Mars • Jupiter • Saturn • Uranus • Neptune
The Sun • G sized star • 27 million degrees • 9,000,000 miles from Earth • Distance from Earth to Sun = 1 AU (Astronomical Unit) • Energy of over 100 billion Hiroshima bombs per second
Galaxies • Milky Way • Andromeda • Over 100 billion galaxies in the Universe • Average galaxy is about 1000 light years in diameter
Black Holes • Considered Singularity • Gravity so strong light cannot escape • Event Horizon is the threshold exists between matter that is drawn in and matter that is not • Scientists believe there is a black hole in the center of every galaxy
Test • Please go to www.jaytaub.net to take the online test