Download Solar System Unit Study Guide

Light-year
Solar System Unit Study Guide
Test: Tuesday, February 28th
unit used to measure distances between
objects in space
Constellations
patterns of stars against the night sky
Solar System
the sun and all of the objects that orbit around
it
the center of our solar system
Sun
Meteors
space objects that burn up as they enter
Earth’s atmosphere
Asteroid Belt
separates the inner and outer planets
Orbit
Atmosphere
movement of a object in a curved path around
another object
lump of ice, rock, frozen gas and dust that
orbits the sun and has a tail
the air that surrounds the earth
Satellite
moon(s) that orbit a body in space
Great Red Spot
well know feature of Jupiter
Venus
the planet that is closest to Earth in size
Sun
the only star close enough for us to study
Mercury
the planet closest to the sun
Comet
Venus and
Mercury
the only planets without moons
Tilt of the Earth
causes the seasons
Maria
dark features on the surface of the moon
Waxing
the visible part of the moon is increasing
Mars
the red planet
Asteroids
minor planets
Comets
dirty snowballs with long elliptical orbits
Black hole
Outer planets
massive star that has collapsed and pulls
everything in, even light
the largest planet
the smallest planet, now known as a dwarf
planet
Jupiter, Saturn, Uranus, Neptune, and Pluto
Inner planets
Mercury, Venus, Earth, and Mars
Saturn
rings are the main feature
Jupiter
Pluto
Milky Way galaxy the galaxy where our Solar System is located
Galaxies
Waning
huge collections, of stars, gas, and dust
traveling through space
the visible part of the moon is decreasing