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Solar system

QuestionAnswer
Astronomical unit Used to measure far distances in space 1 AU= distance from earth to sun
Meteoroid Chunk of rock smaller than asteroid
Meteor Streak of light.
Meteorite Space rock found on earth
Asteroids Millions of rocky objects that orbit the sun in the steroid belt between mars and Jupiter
Comets Made of gas dust and ice revolve around the sun in the Kuiper Belt and Oort Cloud.
Inner planets Terrestrial planets Solid and rocky Mercury Venus earth mars
Outer planets Gas giants Made of ice and gas Jupiter Saturn Uranus Neptune Rings and moons Hydrogen and Helium
Planet Spherical, orbits the sun, clears its orbit
Mercury Closest planet to the sun NOT THE HOTTEST-so small it lacks gravity and atmosphere
Venus Hottest planet Greenhouse effect Day is lonegr then a year revolution time is longer than it’s revolution Acid clouds
Earth Only planet with known life Modern temperatures Protective atmosphere Liquid water
Mars Largest known mountain Possible signs of life
Terrestrial planets The four inner planets
Greenhouse effect Ouccurs when a planet’s atmosphere traps solar energy and causss the temperature to increase
Jupiter Largest planet, Galilean moons , Great Red Spot
Saturn Most complex ring system, least dense planet- it would float, titan- largest moon
Uranus Rotation axis is tilted 90 degrees so it rotates like a booking ball
Neptune Longest period of revolution, swirling storms- windiest planet
Gas giants Jupiter Saturn Neptune nickname for 4 outer planets
Galilean moons 4 moons Galileo discovered around Jupiter - Io,Europa,Ganymede,Callisto
Dwarf planets Pluto was the first Same as a planet but not larger than their neighbors Ceres in asteroid belt
Created by: user-1979337
 

 



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