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The Universe Review

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  • What is a leap year?
    It is a year in which February has an extra day. This happens because the Earth takes 365 days and 6 hours to revolve around the sun. These 6h accumulate.
  • The northern hemisphere of the Earth is tilted toward the Sun. What season is it in the southern hemisphere?
    Winter. Because the sunrays hit sooner the north hemisphere, therefore they receive more heat.
  • What´s the name of the Prime Meridian?
    The Greenwhich Meridian
  • All the celestial bodies and the space they move in is called
    The Universe
  • These are caused when many meteoroids hit the surface of the Moon.
    Craters
  • What is the name of the 0º parallell?
    Equator line.
  • What celestial body is in the centre of the solar eclipse?
    The moon.
  • These are groups of nebulae, billions of stars and their solar system.
    Galaxies
  • This is the smallest planet.
    Mercury
  • This planet has the most moons of all the planets.
    Saturn
  • How many planets orbit the sun in our Solar System?
    Eight
  • When these pass near a star they can form a bright trail.
    Comets
  • What is a satellite? Give two examples.
    It is something that revolves around a star or planet. For example, the moon is a satellite of the Earth, and the Earth is a satellite of the sun.
  • Nebulae, Dwarf Planets, Stars, Satellites, Galaxies, Planets, Asteroids, and Comets are examples of
    Celestial Bodies
  • This is the Earth's only satellite.
    The Moon
  • This is the furthest planet from the sun.
    Neptune
  • Does the moon rotate, revolve, or both? Explain.
    Both. It rotates around its axis, and revolves around the Earth.
  • This creates day and night on Earth.
    Earth's Rotation
  • In this phase of the Moon you cannot see any of the Moon's surface.
    New Moon
  • This information is used to locate any place on a map.
    Geographical Coordinates
  • This is known as the 'Red Planet'.
    Mars
  • It takes this many days for the Moon to complete its rotation around the Earth.
    27 or 28 days.
  • What celestial body is in the centre of the lunar eclipse?
    The Earth
  • What are the rises and falls in the sea level called?
    Tides
  • These are rocky bodies that are much smaller than planets.
    Asteroids