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Science - Astronomy II

Across
A meteor that makes it to the Earth without burning up in the atmosphere
A bright streak of light that results when a meteoroid burns up in Earth's atmosphere due to friction.
Made up mostly of ice and gas
Spherical shaped object that orbits the Sun but are smaller than the inner and outer planets; 5 dwarf planets - Ceres, Pluto,Eris,Haumea, Makemake. Pluto was downgraded from its planet status in 2006
One of the highly dense planets nearest to the sun. There are 4. ROCKY PLANET (LIKE EARTH)
Current model of the solar system in which the sun is the center of the - Earth and other planets orbit the sun
Located beyond the orbit of Neptune, the Kuiper belt contains 1000's of small, icy celestial bodies. It is composed of left over matter from the formation of the solar system. Pluto is located within this belt.
Down
Millions of small rocky object that orbits the sun inside the asteroid belt between the orbits of mars and jupiter. They range in size from <1meter to several hundred km. They are the largest objects in the solar system besides planets and moons.
Small pieces of rock and dust.
Describes something that used Earth as the reference point
300,000,000 wide region between orbits of mars and Jupiter where most asteroids are located
Average distance between Earth and the sun - 150,000
A planet that has a deep massive atmosphere that is made up mostly of gas (hydrogen and helium) and ice. Jupiter, Saturn, Uranus and neptune
Often referred to as "dirty balls". Made up of gas, dust and ice and move around the sun in an oval-shaped orbit. Comets are sometimes visible to the naked eye when they pass through an inner solar system because of their long tail. Comets come from the Kuiper Belt and Out Cloud.