Solar System

definitions & notes only words
  1. planet
    a celestial body that revolves around the sun
    A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has clear
  2. solar system
    the sun with the celestial bodies that revolve around it
    In 2006, the International Astronomical Union officially adopted a resolution defining planets within the Solar System.
  3. ice cap
    a mass of ice and snow that permanently covers a large area of land (e.g., the polar regions or a mountain peak)
    As observational tools improved, astronomers saw that, like Earth, the planets rotated around tilted axes, and some share such features as ice-caps and seasons.
  4. celestial body
    natural objects visible in the sky
    A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has clear
  5. orbit
    the path of a celestial body in its revolution about another
    A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has clear
  6. solar
    relating to the sun or utilizing the energies of the sun
    In 2006, the International Astronomical Union officially adopted a resolution defining planets within the Solar System.
  7. Jupiter
    supreme god of Romans; counterpart of Greek Zeus
    In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune.
  8. galaxy
    a collection of star systems
    Since 1992, hundreds of planets around other stars ("extrasolar planets" or "exoplanets") in the Milky Way Galaxy have been discovered.
  9. Saturn
    god of agriculture and vegetation
    In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune.
  10. Mercury
    messenger of Jupiter and god of commerce
    In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune.
  11. Venus
    the second nearest planet to the sun
    In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune.
  12. Mars
    Roman god of war and agriculture
    In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune.