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study science test 6


how maney types of galaxys are there and what are they called? 3 and spiral, elliptical, and irregular
what affect dose the moon have n the earth? high tides and low tides
how offten dose the moon orbit the earth? 27.3 days
what dose the heiocentric theory say? that the earth is the centr of the solar system
who is Copnicus and what did he discover? a polish astronamery that figured out that the sun is the center of the solar system.
what is one reason the earth has seasons the earth is on its axis with a tillt
why dose the moon have phases ?? becuase it depends on how much light the sun shines on the moon
what is a lunar eclipse when the earth come between the sun and the moon.
what is a solar eclipse when the moon comes between the earth and the sun.
what cuses the sun to brun nucaer FUSION
were are stars born nebulas
Created by: paigeypoo