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1
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are stars which explodes violently
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2
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suggested that hydrogen atoms in the sun fused or combined to form helium atoms
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3
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is the power of a star
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4
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the big bear
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5
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astronomical phenomena
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6
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stars with a mass about 0.8 to 10 times the solar mass of our sun
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7
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they result from the collapse of very massive stars
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9
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international astronautical union
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10
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is a massive ball of plasma that emits light throughout the universe
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11
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refers to the belief that the positions of the sun, moon, and planets against the starry background influence people's personalities and shape their lives
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12
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are stars which suddenly become very bright
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13
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are the coolest stars in the universe
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16
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is the measurement of the shift of a nearby object compared to distant objects when observed from two different positions
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19
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'the hunter'
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21
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is a yellow star
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22
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astronomical Netherlands satellite
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23
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is the scientific study of the objects in the univers
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24
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'the dragon'
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26
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had proposed a theory stating that a mass can be converted into energy
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28
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a large cloud of gas and dust
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