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EARTH MOON AND SUN

ITS SPACE

QuestionAnswer
Astronomy the study of the moon, stars, and other objects in space
Axis an imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates
Rotation the spinning motion of a planet on its axis
Orbit the path of an object as it revolves around another object in space
Solstice the two days of the year on which the sun reached its greatest distance north or south of the equator
Equinox the two days of the year on which neither hemisphere is tilted toward or away from the sun
Gravity The force that pulls objects toward each other
Mass A measure of how much matter is in an object
Weight A measure of the force of gravity on an object
Inertia an object’s tendency to resist change in motion
Newton’s First Law of Motion the scientific law that states that an objects at rest will rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force
Law of Universal Gravitation the scientific law that states that every object in the universe attracts every other object
Phase The different shapes of the moon you see from Earth
Eclipse When an obj. In space comes between the sun and a third obj. It casts a shadow on that obj. Causing an eclipse.
Solar Eclipse When a new moon blocks your view of the sun.
Umbra The very darkest part of the moon.
Penumbra The larger part of the moon’s shadow.
Lunar Eclipse Occurs at a full moon when Earth is directly between the moon and the sun.
Created by: Jeremy Lt
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