Astronomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The theory of the solar system that says that everything revolves around the sun | Heliocentric Theory
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| What type of maker developed the telescope? | Lens Maker
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| What kind of orbit do heavenly bodies move | Elliptical
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| What is the time period of the moon's orbit around the Earth? | 1 month
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| What Earth revolves around what? | the Sun
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| What type of calendar is based upon the Earth's orbit around the sun? | Solar Calendar
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| What type of telescope uses lenses to bend light into an image? | Refractive
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| The day is based upon one ______ of the Earth. | Rotation
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| Who invented the reflecting telescope? | Newton
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| Where do scientists build telescopes to minimize city lights and atmospheric interferences? | Satellites or mountains
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| Does the Earth remain at a constant distance from the Sun throughout the year? | No
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| What did Galileo discover by Jupiter? | Four moons
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| Hubble discovered that the galaxy's size is what? | Increasing
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| What type of telescopes detect unseen light waves? | Radio
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| What are the three types of calendars? | Solar, Lunar, Solar-Lunar
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| What is the area of intense pressure and density called? | Singularity
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| What were the first atoms? | (H)Hydrogen, (He)Helium
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| Who discovered that galaxies are moving away from each other? | Hubble
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| How old is the universe? | 13.7 billion
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| The outer planets were formed by the accretion of what? | Ice
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| What does the sun's heat cause in the solar system? | Gradient
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| What is the red shift? | As galaxies move from each other, there is an increase in the wavelength of their color.
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| What is the process called in which the planets were formed? | Accretion
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| A cloud of gas and dust is called what? | Nebula
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| What created the craters of the inner planets? | Meteors
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| What kind of molecules will sink to the core of a planet during differentioation? | Heavy molecules
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| Jupiter is similar to the Sun, but will never become a star. Why? | Because it's 10 times too small
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| How old is the solar system? | 406 billion years
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| How did the Earth get water? | Meteors
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| Where did the asteroid belt come from? | Jupiter's gravity
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| How much would a 180 pound person weigh on the moon? | 30 pounds
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| The main part(darkest part) of Earth's shadow is called | Umbra
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| A New moon occurs during? | The afternoon
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| What causes the tides? | The moon's gravity
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| Two things the moon does not have | Water and Atmosphere
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| When was the moon born? | 4.6 bya
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| When the moon is moving from new to full, it is increasing in size and called ? | waxing
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| Neap tides are weak tides and occur in which phase of the moon? | half
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| What phase of the moon will cause the highest tides? | New
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| Why do we only see one side of the moon? | Rotates and revolves at the same speed
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| Is "the dark side" of the moon always dark? | No
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| planet with the longest orbit | Neptune
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| Planet with the fastest rotation | Jupiter
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| The hottest planet | Venus
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| Planet(s) with the fastest winds | Saturn/Neptune
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| Planet the has the Great Dark Spot | Neptune
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| Planet with the widest range of surface temperatures | Mercury
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| Planet that has red soil | Mars
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| Planet that has ice and vapor but no liquid water | Mars
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| Planet that has a horizontal rotation | Uranus
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| Planet that has a retrograde rotation | Venus
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| Planet that was originally thought to be a star | Uranus
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| Least dense planet | Saturn
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| This planet has colored belts and zones | Jupiter
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| This gas planet has no internal heat source | Uranus
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| This planet has no atmosphere | Mercury
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| This is the smallest planet | Mercury
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| These planets atmosphere's are mostly methane | Uranus/Neptune
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| This planet's rotation takes longer than its revolution. | Venus
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| This is the largest plant | Jupiter
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| Why does Mars have such large volcanoes compared to Earth? | No Plates
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| Why does Mercury get so cold at night? | It has no atmosphere
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| Why is Uranus colder than Neptune? | It has no internal heat
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| Why was Venus called our "sister" planet? | It looks similar
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| What did people in the 1700 and 1800's believe about Venus | That it had people on it
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