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Kramer
Kramer, Astron. Chap. 3
| Question | Answer |
|---|---|
| A piece of rock or metal made up of material similar to that which formed the planets; mostly found in the asteroid belt between the orbits of Mars and Jupiter | Asteroid |
| Space object made of dust and rock particles mixed with frozen water, methane, and ammonia that forms a bright coma as it approaches the Sun. | Comet |
| Third planet from the Sun; has an atmosphere that protects life and surface temperatures that allow water to exist as a solid, liquid, and gas. | Earth |
| Giant, high-pressure storm in Jupiter's atmosphere. | Great Red Spot |
| Largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high-pressure gas, and an atmosphere mostly of hydrogen and helium. | Jupiter |
| Fourth planet from lthe Sun; has polar ice caps, a thin atmosphere, and a reddish appearance caused by iron oxide in weathered rocks and soil. | Mars |
| Smallest planet, closest to the Sun; does not have a true atmosphere; has a surface with many craters and high cliffs. | Mercury |
| A meteoroid that burns up in Earth's atmosphere | Meteor |
| A meteoroid that strikes the surface of a moon or planet. | Meteorite |
| Usually the eighth planet from the Sun; is large and gaseous, has rings that vary in thickness, and is bluish-green in color | Neptune |
| Considered to be the ninth planet from the Sun; has a solid icy-rock surface and a single moon, Charon. | Pluto |
| Second-largest and sixth planet from the Sun; has a complex ring system, at least 31 moons, and a thick atmosphere made mostly of hydrogen and helium. | Saturn |
| System of 9 planets, including Earth,and other objects that revolve around the Sun. | Solar System |
| Seventh planet from the Sun; is large and gaseous, has a distinct bluish-green color, and rotates on an axis nearly parallel to the plane of its orbit. | Uranus |
| Second planet from the Sun; similar to Earth in mass and size; has a thick atmosphere and a surface with craters, faultlike cracks, and volcanoes. | Venus |