Astrology Word Scramble
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Term | Definition |
Scientific Notation | System of recording very large or very small numbers by using powers of 10 |
the diameter of the moon compared to the earth? | one fourth the size |
Astronomical Unit (AU) | average distance from earth to sun: it is: 1.5 x 10^8 |
solar system | consists of the Sun, its family of planets and some smaller bodies like comets, moons, asteroids |
Planets | Non-luminous bodies that shine by reflecting sunlight. ex: mercury, earth, venus |
Star | Self luminous ball of hot gas that generates its own energy. Ex, Sun |
How much bigger is the Sun than the Earth | 110 times larger |
Light-year | unit of distance equal to the distance light travels in one year |
Stars form from... | thin clouds of gas that fill the spaces between the stars |
Galaxy | great cloud of stars, gas, dust, star clusters, and nebulae bound together by the combined gravity of all the matter |
Milky way | our galaxy. The hazy band of light that circles our sky, produced by the glow of our galaxy |
Supercluster | a cluster of galaxy clusters |
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