Front

Telescope that gathers visible light with curved mirrors

Back

Reflecting

Front

Spacecraft launched from Earth's orbit to gather info

Back

Probe

Front

Group of stars, gas, and dust: Spherical or flattened

Back

Elliptical

Front

Galaxies moving away from each other is called:

Back

Red Shift

Front

A planet spinning counterclockwise on its axis makes:

Back

A day

Front

Large gaseous planets with many moons

Back

Jovian

Front

Resistance to motion change:

Back

Inertia

Front

Natural satellite is called:

Back

Moon

Front

A chunk of rock in space

Back

Meteoroid

Front

Icy rock orbiting the Sun:

Back

Comet