Space Vocabulary Review

Orbit

• An imaginary line about which a body rotates.

• The action of rotating around an axis or center.

• The movement of an object in a circular or elliptical course around another or about an axis or center.

• The curved path of a celestial object or spacecraft around a star, planet, or moon.

Galaxy

• A very large group of stars and planets surrounded by dust and gas.

• A ball of ice and rock with a tail of light that moves around the sun.

• A small asteroid that forms a streak of light as it travels through Earth's atmosphere.

• A rocky metallic object that travels around the Sun.

Star

• A group of stars that forms a patter or shape.

• A ball of burning gases in space.

• A ball of ice and rock with a tail of light that moves around the Sun.

• Sometimes called a "shooting star"

A man made object or vehicle intended to orbit the earth, the moon

• satellite

• rocket

• asteroid belt

• meteorite

The study of objects and matter outside of Earth's atmosphere

• astronomy

• asteroid

• constellation

• satellite

Rocky planets

• Mercury, Venus, Earth, Mars

• Earth, Mars, Jupiter, Saturn

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Mars, Jupiter, Saturn

Gaseous planets

• Mercury, Venus, Earth, Mars

• Earth, Mars, Jupiter, Saturn

• Jupiter, Saturn, Uranus, Neptune

• Mercury, Mars, Jupiter, Saturn

Why does the sun seem to be so big?

• It is the largest star.

• It is the brightest star.

• It is the star closest to us.

• It is smaller than other stars.

Planets in order from the sun

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus

• Mercury, Earth, Venus, Mars, Jupiter, Saturn, Neptune, Uranus

• Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

What affects the force of gravity of two objects in space?  (HINT:  Outer Planets in comparison to Inner Planets)

• weight and height
• mass and distance
• because they're made of gases