A giant ball of superheated gas, or plasma, composed of hydrogen and helium.

Spherical, orbits the sun, with a larger mass than nearby objects.

A streak of light produced when a small piece of rock, or ice, known as a meteoroid, burns up as it enters earths atmosphere.

A cold mixture of dust and ice that develops a long trail of light as it approaches the sun.

A pattern or group of stars that people imagine represents a figure, animal, or object.

Orbit of each planet, an oval shape, rather than a perfect circle.

Largest object in our solar system

Imaginary line that passes from the North Pole, through the earths center, to the South Pole.

The spinning of earth on its axis

Earths path, or orbit, around the sun

The movement of one object around another.

One day per year when the sun appears highest in the sky.

The force that keeps earth in orbit around the sun and the moon in orbit around earth is the same force that prevents you from flying away when you jump.

The tendency of an object to resist a change in motion

Newtons law of universal gravitation

Every object attracts every other force depends on two factors

Darkest part of a shadow where light is completely blocked.

Area of a shadow where light is partially blocked.

Higher high tides during full and new moons.

Lower high tides during the first land third quarter moons.

Dark, smooth, lava covered areas on the moon.

Higher lighter areas on the moon covered with craters.

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sun earth moon

Term	Definition
Satellite	A body that orbits a planet
Star	A giant ball of superheated gas, or plasma, composed of hydrogen and helium.
Planet	Spherical, orbits the sun, with a larger mass than nearby objects.
Meteor	A streak of light produced when a small piece of rock, or ice, known as a meteoroid, burns up as it enters earths atmosphere.
Comet	A cold mixture of dust and ice that develops a long trail of light as it approaches the sun.
Constellation	A pattern or group of stars that people imagine represents a figure, animal, or object.
Geocentric	Earth-centered model
Heliocentric	Sun centered model
Eclipse	Orbit of each planet, an oval shape, rather than a perfect circle.
Sun	Largest object in our solar system
Axis	Imaginary line that passes from the North Pole, through the earths center, to the South Pole.
Rotation	The spinning of earth on its axis
Ellipse	Earths path, or orbit, around the sun
Revolution	The movement of one object around another.
Solstice	One day per year when the sun appears highest in the sky.
Equinox	Equal night
Gravity	The force that keeps earth in orbit around the sun and the moon in orbit around earth is the same force that prevents you from flying away when you jump.
Interia	The tendency of an object to resist a change in motion
Newtons law of universal gravitation	Every object attracts every other force depends on two factors
Umbra	Darkest part of a shadow where light is completely blocked.
Penumbra	Area of a shadow where light is partially blocked.
Tide	Daily rise of ocean water.
Spring tide	Higher high tides during full and new moons.
Neap tide	Lower high tides during the first land third quarter moons.
Maria	Dark, smooth, lava covered areas on the moon.
Highlands	Higher lighter areas on the moon covered with craters.

Created by: user-1978839

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