Studied by 7 people
Asteroid Belt
Located between Mars and Jupiter separating the inner and outer planets.
Kuiper Belt
Found beyond Pluto’s orbit.
Oort Cloud
Surrounds our whole solar system.
Meteoroid
Asteroid that has left orbit and is traveling through space.
Meteor
Asteroid that has entered Earth’s atmosphere.
Metorite
Asteroid that has impacted the ground on Earth.
Kepler’s 1st law of motion
All objects orbiting the sun are in an elliptical path.
Kepler’s 2nd law of motion
Equal area in equal time - planets move faster when they are closer to the sun.
Kepler’s 3rd law of motion
Period of revolution increases with distance from the sun.
Nebula
Made up of dust and gas. Also has some heavier atoms as well.
Accretion
Means to stick together.
Goldilocks Zone
Earth has perfect conditions for living. Not too hard, not too soft, not too small, not too large, not too near the sun, not too far from the sun. Even temperature are just right, not too hot, or too cold.
Exoplanet
Planet orbiting a star beyond our solar system.
Outer planets
Jupiter, saturn, Uranus, Neptune
Inner planets
Mercury, Venus, Earth, Mars
Comet
Icy chunks made of dust and gas with a rocky core. It is left over debris from the Kuiper Belt. It shows a tail when it’s near the sun.
Asteroid
Chunks of rocky, metallic material from the Asteroid Belt.
Period of revolution
365.25 days = 1 year
Period of rotation
24 hours = 1 day
axial tilt
23 degrees
Note
Flashcard