Blue or White. The temperature of a star is identified
   by it's color.  Our hot sun has a yellowish glow ...
    it is NOT the hottest star in the sky.
Correct Answers
A.
Hydrogen and Helium  The Sun is a huge ball of  exploding        gas.  Our sunshine is created by the sun's hydrogen gas atoms           joining together to form helium gas.  This is called nuclear fusion.
C.
   All of the Following: The sun emits heat, light, radio 
   waves, X-rays and ultraviolet rays.
A.
Stars medium size in diameter. Stars about the size of our sun are called,  'Main Sequence Stars'.  Our Sun is about 865,000 miles in diameter.  Other main sequence stars include: Altair, Vega, and Sirius.
A.
   225,000 Million Years. The average distance between
   the earth and the sun is 93,000 million miles.  The sun
   travels about 10 billion times this distance in it's
   revolution around the Milky Way.
B.
    What colors do the hottest stars glow?
Our Sun consists primarily of these gases.
Thermonuclear reactions occur in the sun.  The energy created flows out into space as what?
Our Sun is called a Main Sequence star.  Other stars in this category include?
Our Earth takes one year to revolve around the sun.  How long does it take the sun to make one revolution around the center of the Milky Way?
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