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The Milky Way

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    Planets & Moon Phases
  •   Study   Slideshow
  • Unlike a solar flare, a solar prominence can last...
    for days or even weeks.
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  • The dark spots on the sun are called....
    sunspots
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  • What is a revolution?
    one complete trip around the sun.
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  • Earth's axis is tilted at ____ degrees.
    23.5
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  • If the northern hemisphere is pointed directly towards the sun. What season is the southern hemisphere experiencing?
    Winter
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  • What cosmic wonder splits the inner planets from the outer planets?
    the asteroid belt
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  • This planet has the shortest year in the solar system.
    Mercury
  •  15
  • This planet is referred to as Earth's twin due to their similar sizes.
    Venus
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  • The atmosphere on Venus is made up of _______% carbon dioxide.
    96
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  • This substance causes the soil on Mars to appear red.
    Iron oxide (rust)
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  • Mars year is nearly ______ as long as earth's year.
    twice (687 earth days)
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  • Due to it's _______________, mars experiences cold temperatures.
    thin atmosphere
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  • When the moon experiences Last Quarter in the lunar cycle how far around the earth has it orbited?
    75%
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  • Gibbous means....
    illumination is expanding.
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  • A year on Jupiter is....
    12 years long
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  • Jupiter's red spot can fit ___ earths inside of it.
    3
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