The Solar System and Astronomy
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Questions and Answers

What celestial body is the largest Moon in our solar system?

  • Jupiter
  • Uranus
  • Saturn
  • Ganymede (correct)

    • What predominantly rocky objects are found between Mars and Jupiter?

  • Comets
  • The Kuiper Belt
  • Stars
  • Asteroids (correct)

    • Which celestial body does the sun make up 98.8% of the mass?

  • The Earth
  • The Solar System (correct)
  • The Milky Way
  • The Oort Cloud

    • There are many moons in our solar system.

    <p>True (A)</p> Signup and view all the answers

    Comets orbit the Sun.

    <p>False (B)</p> Signup and view all the answers

    Venus and Mercury have longer years than Earth.

    <p>False (B)</p> Signup and view all the answers

    The Earth's atmosphere is mostly composed of carbon dioxide.

    <p>False (B)</p> Signup and view all the answers

    How long does it take for sunlight to reach Earth?

    <p>8 minutes</p> Signup and view all the answers

    What is the name of the largest volcano in our solar system?

    <p>Mars</p> Signup and view all the answers

    What is the name of the closest star to Earth, besides the Sun?

    <p>Proxima Centauri</p> Signup and view all the answers

    How often does a Blue Moon occur?

    <p>Every 2.7 years (B)</p> Signup and view all the answers

    What are the two types of telescopes?

    <p>Refractor and Reflector (B)</p> Signup and view all the answers

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    Flashcards

    Asteroid Belt

    Region with rocky objects between Mars and Jupiter.

    Kuiper Belt

    Region of icy bodies beyond Neptune's orbit.

    Oort Cloud

    Distant spherical region of icy comet nuclei, source of long-period comets.

    Comets

    Celestial objects made of dust, rock, and ice; don't orbit the Sun like planets do.

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    Ganymede

    Largest moon in the solar system; belongs to Jupiter.

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    Age of the Sun

    The Sun is approximately 4.5 billion years old.

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    Venus and Mercury

    Planets with shorter years than Earth, closest to the Sun.

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    Mars

    Planet with the largest volcano in the solar system.

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    Planet Names

    Most planets are named after Greek and Roman Gods and Goddesses.

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    Milky Way

    No existing photo of our solar system in the Milky Way galaxy.

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    Mass of the Sun

    The Sun comprises about 98.8% of the solar system's mass.

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    Types of Telescopes

    Two main types: Refractor and Reflector telescopes.

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    Apollo 11

    First mission to land humans on the Moon.

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    Neutron Star

    A dense remnant star formed from a supernova explosion.

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    Black Hole

    Gravitational monster that can result from a supernova.

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    Supernova

    Massive explosion at the end of a star's life.

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    Andromeda Galaxy

    Nearest central galaxy to the Milky Way, about 2.5 million light-years away.

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    Earth's Spin Direction

    Earth spins from West to East.

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    Distance from Sun

    Earth is approximately 150 million km from the Sun.

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    Earth's Atmosphere

    Consists of 78% nitrogen and 21% oxygen.

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    Sunlight to Earth

    It takes about 8 minutes for sunlight to reach Earth.

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    Proxima Centauri

    Closest star to Earth aside from the Sun.

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    Moon's Atmosphere

    The Moon has no atmosphere and reflects sunlight.

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    Moon's Orbit

    The Moon orbits Earth every 27 days.

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    Moon's Visibility

    The Moon reflects sunlight making it visible.

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    Phases of the Moon

    There are eight main phases in the Moon's cycle.

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    Blue Moon

    Occurs when there are two full moons in one month, about every 2.7 years.

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    Study Notes

    The Solar System

    • The Asteroid Belt contains predominantly rocky objects between Mars and Jupiter.
    • The Kuiper Belt consists of icy bodies beyond Neptune's orbit.
    • The Oort Cloud is a distant, spherical region of icy comets.
    • Comets are made of ice, dust and rock and do not orbit the Sun.
    • The Sun is approximately 4.5 billion years old.
    • Ganymede (a moon of Jupiter) is the largest moon in our solar system.
    • Venus and Mercury have shorter years because they are closer to the Sun.
    • Mars is the largest volcano in the solar system.
    • Planet names are often based on Greek or Roman gods.
    • The Sun accounts for 98.8% of the mass in the solar system.

    Astronomy

    • Refractor and Reflector are two types of telescopes.
    • Apollo 11 was the first mission to the Moon.
    • Supernova (exploding star) results from explosions.
    • Core-collapse and thermal runaway supernovas exist.

    Earth and the Moon

    • Earth is about 150 million km from the Sun.
    • Earth has a composition of 78% nitrogen and 21% oxygen in its atmosphere.
    • Light from the Sun takes approximately 8 minutes to reach Earth.
    • Proxima Centauri is the closest star to Earth; other than the sun.
    • The Moon orbits Earth every 27 days and reflects sunlight.
    • The Moon has 8 main phases in its cycle.
    • A Blue Moon occurs when there are two full moons in one month.
    • The Andromeda Galaxy is the nearest central galaxy to the Milky Way
    • The distance between Earth and Andromeda is 2.5 million light years.

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    Description

    Test your knowledge about the solar system, its structure, and celestial bodies. This quiz covers planets, moons, and key astronomical events, including missions like Apollo 11. Dive into the fascinating aspects of our universe and discover more about Earth and the Moon.

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