13 terms

Concept 6.3: Non-Planetary Objects

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Terms in this set (...)

meteor:
a streak of light in the sky that forms when a piece of rock from space burns up in Earth's atmosphere
planet:
a large circular mass that revolves around a star
Kuiper Belt:
an area in the solar system beyond the planets where many small, icy bodies are located
moon:
a body in outer space that orbits a planet
galaxy:
a group of solar systems, dust, and gas held together by gravity
comet:
a body of ice and dust that travels in a long narrow orbit around the sun
cirrus Cloud:
thin, wispy-looking clouds
meteorite:
a piece of rock or metal from space that strikes Earth's surface
meteoroid:
a small piece of metal or stone that orbits the sun
dwarf planet:
a body in space that orbits the sun; similar to a small planet but without the proper mass
asteroid:
a small object made of rock or metal that orbits the sun
astronomy:
the study of the properties and behavior of bodies in outer space
cloud:
a collection of water droplets or ice crystals in the atmosphere