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Chapter Three

Solar System

cresent moon a tiny sliver of a moon
moon a large, rocky object that orbits a planet
waxing when the moon appears to get larger
moon phases the piece of the moon that is reflected by the sun each night (illuminated)
gibbous moon looks like almost the whole moon
new moon appears as though there's no moon out
wanning when the moon appears to get smaller
star a large object in space that is made of gas and produces its own light
galaxy a system of stars (solar systems) dust, and gases held together by gravity and contained in our universe.
universe everything that exists
constellation a group of stars that when mentally connected, make a picture in the sky
orbit noun- the path the planet takes verb- to revolve
rotate to spin (causes day and night)
revolve to go around something (causes years)
planet a large, nearly round object that orbits a star
asteroid a rocky object that orbits the sun (not spherical and smaller than planets or dwarf planets)
meteorite an asteroid or comet that lands on Earth
Meteor a comet or asteroid that is in Earth's atmoshpere but burns up
meteroid a comet or asteroid that is in space
comet an object made of rock, ice, dust, and gas that revolves aroung the Sun
dwarf planet a sperical object, smaller than a planet that revolves around the sun
outer planets Jupiter, Saturn, Uranus, and Neptune (Larger, last four, have rings, many moons, made of gas)
inner planets Mercury, Venus, Earth, Mars (smaller, rocky, first four, no rings, few or no moons)
Created by: spierslori