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Astronomy A2

QuestionAnswer
How do stars form ? by condensation, gravitational compression of nebula
What is Solar Nebula is huge, vast clouds of ice, gas and dust.
About how long is our sun lifespan? 12 billion years
What are black holes ? end of the life cycle of some supergiant stars.
Distances in our universe are measured in __________ light years
What are light years ? is the distance light travels in one year.
If a star that massive or larger undergoes a super nova explosion, it may leave behind What ? massive burned-out stellar remnant
________ put out about 10,000 times much energy as the sun Blue giant stars
Stars have a finite lifespan and ______ _______ _______ evolve over time
Mass (size) of star controls how it evolves, its lifespan and ______ ________ ultimate fate.
Created by: Holmesac
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