lecture 2 Flashcards

(13 cards)

1
Q

characteristics of mercury

A
  • Closest to the sun
  • No atmosphere
  • No moons
  • Hot in the day time and cold in night (because there’s no atmosphere to keep the heat in)
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1
Q

characteristics of venus

A
  • Same size as earth
  • Lots of volcanoes
  • Venus has an atmosphere but it is thick co2
  • Runaway greenhouse effect makes it hot all year
  • Rotates slowly (days are slow) and backwards
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2
Q

characteristics of mars

A
  • Atmosphere but thin co2 so we cant breathe
  • Had oceans but evaporated
  • 2 small moons
  • Has a tilt so it has seasons
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2
Q

what are the jovian planets and their characteristics

A
  • jupiter
  • saturn
  • uranus
  • neptune
  • Rocky
  • No atmosphere
  • Cratered surface
  • No geological activity
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2
Q

characteristics of earth

A
  • Same size as venus
  • Lots of volcanoes
  • Atmosphere has oxygen and nitrogen (most)
  • Large oceans that regulate the co2 so it doesn’t have the runaway greenhouse effect
  • One moon
  • Earth’s rotation is tipped which makes seasons
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2
Q

what are the terrestial planets and their characteristics

A
  • mercury, venus, earth and mars
  • Small
  • Rocky
  • Thin or no atmosphere
  • Made from heavy elements
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3
Q

characteristics of jupiter

A
  • Largest planet in the solar system
  • Thick gaseous atmosphere
  • Many moons
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4
Q

characteristics of saturn

A
  • Has rings
  • Similar to jupiter
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5
Q

characteristics of uranus

A
  • Coldest planet in the solar system
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6
Q

characteristics of neptune

A

Rocky core

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7
Q

where is the asteroid belt

A
  • Between Mars and Jupiter
  • Millions of small rocky objects
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8
Q

comets

A
  • Icy bodies
  • As they get close to the sun, they warm up and they emit tails
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8
Q

where is the kuiper belt

A
  • Outside Neptune
  • Small ice bodies
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