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Science/universe
God's Great Universe
Term | Definition |
---|---|
Astronomy | the study of stars, planets, and other heavenly bodies |
Astronomers | scientists who study outer space, and try to understand space |
atmosphere | the earth where we are surrounded by the layers of air |
vacuum | an area containing no air or any other matter |
friction | the force that resists motion |
galaxy | a star systems containing from millions of stars billions of stars |
Milky Way | a barred spiral galaxy which we live in |
Local group | a cluster of about 40 different galaxies |
Andromeda galaxy | the most distant object can be seen with the naked eye |
Sagittarius Dwarf galaxy, Large Magellanic cloud, small Magellanic cloud | three closest galaxies closest to ours |
Spiral galaxies | looks like a giant pinwheels spinning through the void of space |
barred galaxies | the spiral arms are attached to a straight bar that runs through the center of the galaxy |
elliptical galaxies | when viewed from the side it looks like a egg or a football |
irregular galaxies | composed of stars clumped together in no definite shape |
nebula | large clouds of gas and dust floating in space |
constellation | stars outlining such an imaginary picture |