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1.The age of the solar system is thought to be about
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1.5 Billion years
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3.5 billion years
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4.6 billion years
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13.7 billion years
Frage 2
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Which of the following is evidence used to determine the age of the solar system?
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meteorites
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fossils
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comets
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asteroids
Frage 3
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Which of the following is an important clue about how the solar system formed?
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the planets are different sizes and shapes
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the planets all orbit the sun in the same direction
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the planets orbit the sun in different directions
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the planets rotate on their axis at the same speed
Frage 4
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The first object to form in the solar system was the
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planets
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sun
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asteroids
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moons
Frage 5
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A giant nebula is made mostly of
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hydrogen and helium
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heavy elements
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hydrogen and iron
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helium and iron
Frage 6
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What causes a giant nebula to contract?
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pressure
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gases
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the sun
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gravity
Frage 7
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All planets orbit the Sun on almost the same plane. This is a clue to
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the formation of the sun
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the formation of the galaxy
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the formation of the universe
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the formation of the solar system
Frage 8
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Nebulas come from materials that are left over from the big bang or from...
Frage 9
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The planets and moons formed by what starting to clump together and colliding with other
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escaped gases
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small pieces of dust
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spiraling galaxies
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imaginary particles
Frage 10
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A nebula spins more rapidly as it collapses because of...
Frage 11
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The star in the milky way galaxy is what size star?
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small sized star
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average sized star
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large sized star
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massive sized star
Frage 12
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How many planets are in our solar system?
Frage 13
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What is the name of the dwarf planet?
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Jupiter
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Saturn
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Neptune
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Pluto
Frage 14
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What is the dwarf planet made of?
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hydrogen and helium
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liquid water and rock
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rock and methane ice
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water ice and rock
Frage 15
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Which is the coldest planet/dwarf planet?
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number one
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number three
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number seven
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number nine
Frage 16
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Which two planets are very similar in the structure and atmosphere?
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Earth,Venus
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Saturn,Mars
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Neptune, Uranus
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Mercury, Jupiter
Frage 17
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Which planet is the largest?
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Jupiter
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Saturn
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Neptune
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Uranus
Frage 18
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Which planet has ice in polar regions and a thin atmosphere of carbon dioxide?
Frage 19
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Which planet/dwarf planet is the hottest?
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Mercury
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Venus
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Earth
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Pluto
Frage 20
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Which planet has a moderate temperature?
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Jupiter
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Venus
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Earth
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Saturn
Frage 21
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Which planet has an atmosphere that is mostly nitrogen?
Frage 22
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Which planet/dwarf planet has an atmosphere of carbon dioxide so thick you cannot see the surface?
Frage 23
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Which planet has the largest change in its temperature?
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Mercury
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Pluto
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Earth
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Uranus
Frage 24
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Which planet/dwarf planet has just a hint of methane for its atmosphere?
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Mercury
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Pluto
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Jupiter
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Saturn
Frage 25
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Which planet/dwarf planet has just a hint of helium for its atmosphere?
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Mercury
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Pluto
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Jupiter
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Saturn
Frage 26
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Which planet is the smallest?
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Mercury
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Venus
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Jupiter
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Saturn
Frage 27
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Which planet has an extraordinary ring system?
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Jupiter
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Saturn
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Neptune
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Uranus
Frage 28
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What are the rings around Saturn made of?
Frage 29
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Which planet would float in water?
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Saturn
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Neptune
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Uranus
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Pluto
Frage 30
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Which two planets are liquid inside?
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Earth, Venus
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Neptune, Mars
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Mercury, Jupiter
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Saturn, Jupiter
Frage 31
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List the planets in order working from the Sun outward.
[blank_start]Mercury[blank_end], [blank_start]Venus[blank_end], [blank_start]Earth[blank_end], [blank_start]Mars[blank_end], [blank_start]Jupiter[blank_end], [blank_start]Saturn[blank_end], [blank_start]Uranus[blank_end], [blank_start]Neptune[blank_end]
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Venus
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Mercury
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Earth
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Mars
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Jupiter
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Saturn
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Uranus
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Neptune
Frage 32
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There are irregularly shaped bodies that orbit the sun.
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comets
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asteroids
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planets
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meteorites
Frage 33
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Objects that have not cleared their orbits of other objects are
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comets
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meteors
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dwarf planets
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meteorites
Frage 34
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What is found between Mars and Jupiter?
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Kuiper Belt
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Oort cloud
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Comet Belt
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Asteroid Belt
Frage 35
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Long period comets comets come from very distant region of the solar system called...
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Kuiper Belt
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Oort cloud
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Comet belt
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Asteroid Belt
Frage 36
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What is believed to have caused mass organism extinction on Earth's past?
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comets
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asteroids
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planets
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meteorites
Frage 37
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What leaves a trail of glowing ice particles, water vapor, and gases as it moves through the solar system?
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comets
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asteroids
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planets
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merteorites
Frage 38
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These are small icy objects that orbit the sun
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comets
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asteroids
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planets
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meteorites
Frage 39
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What provides scientists with clues about our solar system?
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meteoroids
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meteors
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meteorites
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dwarf planets
Frage 40
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These orbit the Sun but have no atmosphere or internal heat.
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asteroids
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comets
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meteors
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meteoroids
Frage 41
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How many known dwarf planets are there in our solar system?
Frage 42
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Jupiter's massive gravity kept many these from forming into another planet?
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comets
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asteroids
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meteoroids
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meteorites
Frage 43
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There are over 4,500 of these objects know to pass Earth on a regular basis.
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meteors
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meteorites
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asteroids
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comets
Frage 44
Frage 45
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What do we call debris left over by comets when it gets pulled toward Earth by gravity?
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meteors
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meteorites
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meteoroids
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dust
Frage 46
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Some meteorites found on Earth are believed to have come from which planet?
Frage 47
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Which of the following are often called "shooting stars"
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meteors
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meteorites
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meteoroids
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asteroids
Frage 48
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What determines a comets period?
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Length of time for the comet to orbit the sun
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Length of time for the comet to totally break apart
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Length of time for one visit close to Earth and the next
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Length of time for a comet to from a nebula
Frage 49
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When a meteoroid is as small as tiny grains of sand it is called?
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debris
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interplanetary dust
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meteoroids
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ateroids
Frage 50
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Which of the follwoing typically have extremely elliptical orbits around the sun?
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meteors
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comets
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meteoroids
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ateroids
Frage 51
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All of the following are considered dwarf planets except
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Eris
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Makemake
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Pluto
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Orion
Frage 52
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Kuiper belt is located beyond
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Mercury
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Saturn
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Neptune
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Uranus