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Char. of the Univers

Kostroun RJH

TermDefinition
Size A star temperature helps to determine it's__
Spiral The Earth can be found in a___ galaxy
Escape A black hole is a region in spcew where the gravitational pull is so great that light ___ __ ___
Spiral Shape The milky way is an exampal of a galaxy woth a__
The sun An example of a main sequence star, one that is considerd average on the HR, Diagram would be
Begun to release energy and has stopped contracting it is shinung and is called a main sequnce star Our sun is currently at a stage where it has
Black hole Aregion in space that is so dence that nothing even light energy can , escape it's gravitational field is known as a
Giant As a star uses it's hydrogen supply, it changes from a main sequence star to a
Becaus esuper novas redistribute dut and gas which eventually form nebula The life cycle of stars is a cycle
place it on the main sequance are of the H-R Diagram Our sun is one of the many stars that has been classified as average because its absolute magintude and its temperature ___.
mass The brightness of a star is most depedent on the star's ___.
nebula A large cloud of gas and dust from which a star is known as a ___.
absolute magnitude The term applied to the amount of light given off by a star is ___.
Earth is part of this galaxy We cannot see the entire shape of the Milky Way galaxy because. ___.
galaxy A star has less mass than a ___ and more mass than a planet.
Supergiants ___ have the highest luminosity and belong to spectral class M.
greatest luminosity Hot main sequence stars have the ________.
main sequence star Our sun is a typical ________.
brightness of a star as seen from a fixed distance of 32.6 light years The term absolute magnitude refers to the __________.
nebula Star form inside of giant clouds of gas and dust. These gian clouds of gas and dust are called ________.
A spiral galaxy What type of galaxy is the Milky Way?
Created by: lhoule
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