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The early universe was primarily made up of what elements? Hydrogen, Helium, and Lithium
How old is the universe? 14.7 Billion Years
What is the ratio of hydrogen to helium in the early universe? 1H 3He
What event began the universe? The Big Bang
Nebula a large cloud of gas and dust in space
Neutron star the remains of high mass star
Black hole exerts such a strong gravitational pull that no light escapes
Super nova a red super star explodes
Protostar the earliest stage of a star's life
White Dwarf star left at the core of a planetary nebula
Red Giant the stars begins to run out of fuel
What color are the hottest stars? Blue
What color are the coolest? Red
How much Time does the sun have left in its cycle ? 4 to 5 Billion years
Sunspots seem to fallow_________years cycle on the sun. 11 years
The sun contains ____________ percent of the mass of the solar system. 99.8%
What should a hypothesis have.. If..... Then..... Because....
What is the equation of density? D=m/V
How does Temperature relate to density? Temp Decreases while Density Increases
How does Volume relate to density? Volume Decreases while Density Increases.
What is Astronomy? the study of space.
Created by: Nereli