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Voc. Outer Planets
Term | Definition |
---|---|
meteor | a small meteoroid that burns upon entry of Earth's atmosphere. (falling or shooting star) |
Uranus | the seventh planet nearest the sun. It's axis is so tilted that it seems to roll along it's orbit. *has rings *rotation 17.4 hrs *revolution 84.3 yrs *moons 27 *19.2 AU |
Galilean Moons | the four largest of Jupiter's 63 moons; discovered by Galileo Galilei. 1)Io 2)Europa 3)Ganymede 4)Callisto |
Jupiter | the fifth planet nearest the sun. It is between Mars and Saturn. *Galilean moons orbits this planet *has rings *rotation 9.9 hrs *revolution 11.9 yrs *moons 63 *9.6 AU |
meteorite | the remains of meteoroids that strike the surface of Earth or the moon. |
Neptune | the eighth and final planet from the sun. It is similar to Uranus. *has rings *rotation 16.1 hrs *revolution 165.2 yrs *moons 13 30.1 AU |
asteroid | large and small rocks or metallic masses orbiting the Sun. |
Saturn | the sixth planet nearest the sun. It is known for its 7 bands of rings. *has rings *rotation 10.6 hrs *revolution 29.7 yrs *moons 53 |
meteoroid | a natural chunk of rock or dust existing outside the Earth's atmosphere. (It moves through space.) |
comet | a celestial body (in the sky or space) of ice, dust, and rock with an elongated and elliptical orbit. (Ex. Halley's Comet) |