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GEO S. > universe > Flashcards

universe Flashcards

1
Q

the study of universe

A

cosmology

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2
Q

who gave the big bang theory

A

Georges Lemaître, belgium astronomer

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3
Q

largest clusters of heavenly bodies found in universe

A

lyman alpha blobs

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4
Q

how many galaxy(s) are there

A

about 200 billion [2x10¹¹ stars]

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5
Q

how many types of galaxies

A
  1. elliptical
  2. spiral
  3. irregular
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GEO S. (3 decks)

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