section 3&4 chapter 30 Flashcards
fifth planet from the sun; the largest planet with continuous, swirling high-pressure gas storms
Jupiter
Sixth planet from the sun; the second largest planet with the most complex ring system
Saturn
Seventh planet from the sun; appears blue-green due to methane in the atmosphere; its axis rotation is tilted on its side
Uranus
eighth planet from the sun; has storms similar to Jupiter’s and is blue due to methane in the atmosphere
Neptune
nearly-spherical object in orbit around the sun that is not a satellite, and has not cleared the debris in the orbit
dwarf planet
object in elliptical around the sun composed of dust particles, frozen water, methane and ammonia
comet
rocky object formed from material similar to that of planets, orbiting the sun
asteroids
sand-to-boulder sized rocky object orbiting the sun
meteoroid
distant planetoid, smaller than Pluto, larger than comets, with very elliptical orbit
sedna
life beyond Earth, object of the search of exobiologists
extraterrestrial life