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Astronomy ES 13 a,b
Stars and Universe
| Question | Answer |
|---|---|
| What is the most widely excepted theory of how the Earth formed? | Big Bang Theory |
| What is the huge, vast clouds of ice , gas, and dust? | Solar Nebula |
| What does the mass (size) of a star control? | How it evolves, it's lifespan, and its ultimate fate |
| What is the order of less massive star? | Nebula, protostar, main sequence star, white dwarf, black dwarf |
| What does Russell (H-R) scale show? | It shows the relationship between abosolute magnitude in relation to their surface temperature. |
| Most massive star follow a specific path,but after supernova they become... | black holes |
| Blue giant stars put out _______ times as much energy as the sun. | 10,000 |
| How long is our sun's lifespan? | 12 billion years |
| What are collections of billions of stars? | Galaxies |
| What are the basic types of Galaxies? | spiral, elliptical, and irregular |