Term
|
Definition
|
A piece of rock similar to the meterial that formed into planets.
|
|
|
Term
|
Definition
|
A mass that travels through space and is compsed of rock particles and dust mixed with frozen water, methane, and ammonia; tends to break up after passing close to the sun many times.
|
|
|
Term
|
Definition
|
Third planet from the sun; it's atmosphere protects life and it's surface temerature allows water to exist as a solid, liquid, and gas.
|
|
|
Term
|
Definition
|
A giant, high-pressure continuous storm on Jupiter.
|
|
|
Term
|
Definition
|
Largerst planet and fifth planet from the sun; has faint rings, seventeen moons, an atmosphere formed mostly by hydrogen and helium, and it's surface has continuous storms.
|
|
|
Term
|
Definition
|
Fourth planet from the sun; appeears reddish becauseiron oxidein weathered rocks; has polar ice caps, a thin atmosphere, and 2 moons.
|
|
|
Term
|
Definition
|
Planet closest to the sun; has a thin atmosphere with temerature extremes, an iron core, and many craters and high cliffs.
|
|
|
Term
|
Definition
|
a meteoroid taht does not completely burn up in the atmosphere and strikes the surface of a moon or planet.
|
|
|
Term
|
Definition
|
large, gaseous planet with rings, dark-colored storms, and eight moons; has a distinctive blue-green color.
|
|
|
Term
|
Definition
|
Smallest planet and usually considered to be the ninth planet from the Sun; has a thin atmosphere and a solid, icy-rock surface.
|
|
|
Term
|
Definition
|
second-largest planetand sixth from teh sun; has a thick atmosphere, a complex ring system, and at least 8 moons.
|
|
|
Term
|
Definition
|
System made up of the nine unique planets, including Earth, and many smaller objects that orbit the sun.
|
|
|
Term
|
Definition
|
Seventh planet from the sun; is large and gaseous with thin, dark rings and rotates tilted in it's side.
|
|
|
Term
|
Definition
|
Second planet from the sun; has a dense atmosphere with high temeratures and valcanoes; sometimes called Earth's twin.
|
|
|