science review

Flashcard maker : Brooke Sharp
comet
composed of dust, rock particles, and frozen water and gases
coma
cloud of vaporized gases around a comet’s nucleus
oort
name of cloud that contains many comets outside of the solar system
meteoroids
small pieces of rock from broken-up comets moving through space
meteor
meteoroid that burns up in Earth’s atmosphere
Ceres
largest asteroid in the asteroid belt
meteorite
meteoroid that strikes Earth
belt
area between Mars and Jupiter where many asteroids are located
asteroid
piece of rock similar to material that formed into planets
shower
group of meteors
tail
part of comet that always points away from the Sun
Copernicus
proposed the sun-centered model of the solar system
elliptical
the shape of the planets’ orbits
Kepler
determined the shape of the planets’ orbits
fusion
process involved in forming the Sun

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