voc 3/4

voc 3/4

gravity

force of attraction between any two objects.

orbit

The path that a satellite follows as it revolves

revolution

The movement of one object in its orbit around another object in space.

phases of the moon

the changes in the moon’s appearance as it orbits the earth

full moon

the phase of the moon when the moon is between the sun and the earth.

new moon

the phase of the moon when the moon is between the sun and the earth.

lunar eclipse

a passing of the moon through the earth’s shadow

solar eclipse

a passing of the moon between the earth and the sun

tides

the regular rising and falling of the earth’s major rbodies of water

telescope

An instrument that collects light making faint objects easier to see and enlarging distant objects

crater

a circular low ares surrounded by a rim most craters are caused by an object hitting the ground

meteorite

piece of rock that hits the surface of a planet or moon after traveling through space

star

a glowing ball of hot gas that makes its own energy and light

planet

a large body in space that orbits a star such as the sun

solar system

A sta, such as the sun, and all the bodies that revolve around it in space

mass

The amount of material that an object contains.

atmoshere

An envelope of gas surrounding a body in space.

sunspot

darl area of the sun’s surface that gives off less energy than the rest of the sun.

greenhouse effect

the warming of the atmosphere because of trapped heat energy from the sun.

asteroid

a rocky object smaller than a planet that orbits a star

asteroid belt

the region between Mars and Jupiter where most asteroids orbit the sun.

meteor

an asteroid that enters the earth’s atmosphere

comet

a ball of ice, rock, frozen gases, and dust that orbits the sun.