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PX158/144 Astronomy > Galaxies > Flashcards

Galaxies Flashcards

1
Q

What are the

Types of Galaxies

A
  • Spiral Galaxies
  • Elliptical Galaxies
  • Irregular Galaxies
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2
Q

Spiral Galaxies

A
  • Flat rotating disk of stars, dust and gas
  • Concentration of stars in centre (Bulge)
  • Spiral arms containing young hot stars
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3
Q

Elliptical Galaxies

A
  • Ellipsoidal in shape
  • Comprised of old, low mass stars
  • Largest galaxies
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4
Q

Irregular Galaxies

A
  • No distinct shape
  • Small galaxies
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PX158/144 Astronomy (15 decks)

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