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Astronomy ES.13

Stars and Universe

QuestionAnswer
What is the most widely accepted theory on how the universe formed? Big Bang Theory
What is huge, vast clouds of ice, gas, and dust? Solar Nebula
All stars start as this. A. protostar B. nebula C. main sequence star D.black hole B. Nebula
After supernova, most massive stars will become this. Black Holes
What diagram shows the relationship between absolute magnitude in relation to their surface temperatures? The Hertzsprung - Russell (H-R)
What is a Light-Year? the distance light travels in one year
What is the Solar Nebulaar Theory The most widely accepted theory on how solar system and stars form
Is a star's lifespan finite or infinite? finite
What contorls the lifespan of stars? their mass
Which stars put out about 10,000 times as much energy as the sun? Blue giant stars
Created by: crashaejd
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