Which of the following star colors has the highest temperaure?
What are the two forces that keep a star in a balanced, stable condition, while it is a main sequenced star
high temperature expansion and gravitational contraction.
Where a main sequenced star is located on the HR-Diagram depends on its temperature and its
Why does a less massive star have a longer life span
higher pressure at the core of a massive star means a faster fusion reaction.
Which of the following describes the correct order of events in the life of a star?
prostar, main sequence, red giant, supernova, black hole
In which part of a newborn star does a fussion reaction occur
What are astronmical distances not measured with standard referent units of distance such as kilometers or miles
All of the above
Nearby stars appear to move ______ relative to polaris
How far polaris appears above the horizon depends on
The name of our galaxy is the
Compared to the magnitude of one star a star with a magnitude of 2 is
less than half is bright
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