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Unit 5 Space

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  • Light of the moon is on the right side
    Waxing
  • A new moon and a full moon occur each month. Why don't we have eclipses each month?
    The Moon's orbit is tilted. Plus the Sun, Moon, and Earth have to line up perfectly.
  • What would happen if the Sun's gravity suddenly disappeared?
    All the planets would drift off into outer space
  • RED shift of light means the star is moving
    away from the Earth
  • Which option is the Northern Hemisphere experiencing the shortest amount of daylight?
    B
  • Blue shift means objects moving______
    towards or closer
  • less than half of the moon is lit
    crescent
  • What is inertia?
    the resistance of any physical object to any change in its velocity.
  • half of the moon is lit
    quarter
  • Which option does the Southern Hemisphere experience Spring?
    C
  • A DATE that is commonly accepted by Big Bang theorists for the Big Bang is ____ years ago.
    13.8 billion
  • How is the "Big Bang" described?
    an explosion
  • Light of the moon getting smaller
    waning
  • Galaxies that are REDSHIFTED are:
    moving AWAY from us.
  • Light of the moon getting bigger
    waxing
  • If something that makes light is moving AWAY from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.
    Red Shift
  • Which of the following is EVIDENCE for the Big Bang Theory?
    cosmic background radiation
  • Where should you place the golfball to represent a solar eclipse?
    Z
  • What is gravity?
    an invisible force that pulls objects with mass towards one another.
  • phase of the moon where you can see the whole moon
    full moon
  • Light of the moon is on the left side
    waning
  • Where does the Sun go? 1, 2, 3, or 4?
    2
  • more than half of the moon is lit
    gibbous
  • Which well-know scientist predicted the Big Bang Theory before there was much evidence for it?
    Albert Einstien
  • The Big Bang Theory states that...?
    The universe is continuously EXPANDING and came from a single point
  • Why does the tilt of the Earth create seasons?
    Because the angle of sunlight varies on different parts of the Earth at different times of the year.
  • Name of the satellite telescope that viewed the expanding universe
    Hubble telescope
  • Which 2 elements is the Universe primarily made up of?
    Hydrogen and Helium
  • Put in order SMALLEST TO LARGEST: Universe, Planets, Galaxy, Solar System
    Planets-->Solar System-->Galaxies-->Universe
  • The universe is EXPANDING! This means that:
    all of the galaxies are spreading out or MOVING APART.
  • Why do the planets, asteroids, and comets orbit the Sun?
    Because of the Sun's Gravity
  • If the Milky Way is a beach; then the solar system would be?
    A Grain of Sand
  • phase of the moon where the moon is dark
    New moon
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