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Astronomy
Question | Answer |
---|---|
True or False? Big Bang theory is most widely accepted theory for how universe formed? | True |
True or False? All stars start as solar nebula that collapses? | True |
True or False? Stars have a finite lifespan and evolve over time? | True |
True or False? Mass (size) of star controls how it evolves, its lifespan and ultimate fate. | True |
The Hertzsprung – Russell (H-R) diagram shows the relationship between absolute magnitude (brightness) in relation to their surface temperatures. | True |
True or False? Blue giant stars put out about 20,000 times as much energy as the sun. | False |
True or False? Black Holes are collections of billions of stars. | False |
True or False? Black holes are the end of the life cycle of some supergiant stars. | False |
True or False? Distances in our universe are measured in light years. | True |
True or False? Most of information about our galaxy and the universe involve ground-based observations by satellites that gather all types of electromagnetic radiation (Infrared, Ultraviolet, X-rays) | True |