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Science Chapter 1 jj

exploring the night sky

Meteor A piece of rock or metal from space that enters Earth's atmosphere
Meteorite A meteor that falls to Earth ,also called a shooting star
Comet An icy ball that contains dust and rock and travel in an elliptical orbit around the Sun
Planet A large object the circles a star and does not produce i's own light
Star A huge globe of hot gases that shines by it's own light
Constellation A group of stars that forrms a pattern in the night sky
Revolution Earrth's yearly tip around the sun, which causes the seasons to change
Rotation The spinning of the Earth that causes day and night
Axis An imaginary rod stretching through the planet between the North and South poles
Telescope Reflecting and refracting
Reflecting uses A curved mirror
Reflecting telescopes are easier to build because It is easier to build a large mirror than alarge lens
Refracting telescope uses lenses
Another name for the North Star is Polaris
Polaris lies directly above the North Pole
Earth's Makes the stars appear to move across the night sky rotation
One of Earth's takes about 24 hours rotation
A planet is different from a star because it does not produce it's own light
The word comes from the Greek word wandering stara planet
The big dipper is a part of the constellation called ursa major
The object that is known as the morning star is called Venus
Created by: AgentJJ