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

An object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit of any debris.

A streak of light produced when small pieces of rock or ice, burns

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

An oval shape of the planets’ orbits

The largest object in our solar system

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

The spinning of earth on its axis

The movement of one object around another

Earths path or path planets follow when they revolve around another

When the sun appears at its highest in the sky or when earth is directly tilted toward the sun which causes the longest or shortest daylight of the year.

Earth is not tilted toward the sun which causes equal day and night

The force that attracts all objects toward each other

Law of universal gravitation

Every object attracts every other and force depends on mass and distance.

The tendency of an object to resist a change in motion.

different shape of the moon you see

When the moon passes directly between the earth and the sun

Occurs during a full moon when earth is directly between the moon and sun.

Darkest part of a shadow where light is completely blocked

Area of a shadow where light is completely blocked

Daily rise and fall of ocean water

Higher high tides during a full and new moons

Lower high tides during the first and 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	An object that orbits the sun, is large enough to have become rounded by its own gravity, and has cleared the area of its orbit of any debris.
Meteor	A streak of light produced when small pieces of rock or ice, burns
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
Ellipse	An oval shape of the planets’ orbits
Sun	The largest object in our solar system
Axis	An imaginary line that passes from the North Pole, through the earths center, to the South Pole .
Rotation	The spinning of earth on its axis
Revolution	The movement of one object around another
Orbit	Earths path or path planets follow when they revolve around another
Solstice	When the sun appears at its highest in the sky or when earth is directly tilted toward the sun which causes the longest or shortest daylight of the year.
Equinox	Earth is not tilted toward the sun which causes equal day and night
Gravity	The force that attracts all objects toward each other
Law of universal gravitation	Every object attracts every other and force depends on mass and distance.
Inertia	The tendency of an object to resist a change in motion.
Phase	different shape of the moon you see
Solar eclipse	When the moon passes directly between the earth and the sun
Lunar eclipse	Occurs during a full moon when earth is directly between the moon and sun.
Umbra	Darkest part of a shadow where light is completely blocked
Penumbra	Area of a shadow where light is completely blocked
Tide	Daily rise and fall of ocean water
Spring tide	Higher high tides during a full and new moons
Neap tide	Lower high tides during the first and 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-1979066

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