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Astronomy
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Question | Answer |
---|---|
How old is the Universe estimated? | 13.8 billion years old |
What are the 3 types of galaxies? | Spiral, Elliptical, irregular |
What is in the center of a Galaxy? | A lack hole |
What the first stage of a Star? | A nebula |
What are the 2 main elements in the Milky Way? | Hydrogen and Helium |
What is the stage after a ? | Proto Star |
What is the stage after a Protostar? | Main Sequence |
What allows star to give off light and heat? | Nuclear Fusion |
What is the next stage if the sun in our solar system? | Red Giant |
Sense our sun is the average star what is its final stage? | Black Dwarf |