Memory SSU - Solar System UnitVersion en ligne VOCAB par Marvin Miller Venus Moon Mars SUN Round like the planets, Orbit a planet not the sun, some planets have no moons, Some planets have lots of moons Earth Planet closest to sun. Hard Rocky surface. No atmosphere. No weather Mercury 2nd planet from the sun. Hard rocky surface. Covered with poisonous gas. Brightest planet, Hottest planet 4th planet from the sun. Hard rocky surface. Red dirt. Huge, powerful dust storms. Center of our galaxy. Planets orbit the sun. Very strong gravitational pull, 98% of matter in the galaxy 3rd planet from the sun. 75% covered with water. Oxygen in atmosphere Large group of ice, dust, and rocks, orbit the sun, have tail made of gas Saturn Large chunk of rock or metal, orbits around the sun. Lumpy, not round. Tumble as they orbit. Comet Uranus Asteroid Dwarf planet. Used to be 9th planet from sun. Jupiter 7th planet from the sun. Huge ball of gas. Mainly frozen. Tilted. Spins on its side. Smaller chunks of rock that have broken off a asteroid or comet. Can get pulled into a plane'ts orbit. burn up when enter Earths Atmosphere. Falling star 8th planet from the sun, Huge ball of gas. Almost competely frozen. Spins very slowly 5th planet from the sun. Largest planet. Huge ball of gas. Solid core. Large red spot is a big storm 6th planet. Lightest planet. Rings made of rocks and ice. Huge ball of gas, solid core. Neptune Meteor Pluto
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