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Day, Night, and Stars

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    Day and Night, and Constellations
  •   Study   Slideshow
  • What direction does the Sun rise from?
    The east
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  • What direction does the Sun set in?
    The west
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  • What is at the center of our Solar System?
    Th Sun
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  • How long does it take Earth to go once around the Sun?
    1 year
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  • How long does it take Earth to rotate once?
    1 day
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  • What is Earth's axis?
    An imaginary line from the South Pole to the North Pole about which the Earth rotates
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  • Why is Earth's axis tilted?
    A large object hit the Earth and knocked it off center
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  • Why does Earth have different seasons?
    Related to Earth's tilt and which part is closest to the Sun
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  • Are the seasons the same in Northern and Southern Hemispheres?
    No, they are opposite of each other.
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  • Why is there a longer time of daylight in the summer than in the winter?
    That part of the Earth is closer to the Sun in the summer
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  • What happens in the North Pole during winter?
    They have night all day, no sunrise or sunset
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  • Which star is in our Solar System?
    The Sun
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  • How are stars made?
    Gravity pulls dust and gas together until it forms a star
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  • Which color of stars are the hottest?
    Blue stars
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  • Why can we see some stars but not others?
    It depends on their brightness and their distance from Earth.
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  • How many stars are there?
    Trillions - more than we can count
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