The sun is the closest star to earth
Hotter stars are blue, while cooler ones are red
There are over 100 billion stars in our galaxy and over 100 billion galaxies
Hydrogen makes up 90%+ of all matter in the universe
On any given night approximately 2000 stars are visible
Light from the sun takes about 8 minutes to reach earth
Not even light can escape a black hole
Stars age between 1 and 10 billion years old
The stars in the milky way galaxy take around 200 millions years to revolve
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