Earth & Space Vocab Flashcard 2

Front

Point in a planet's orbit farthest from the sun.

Back

aphelion

Front

Thick gas blanket surrounding Earth

Back

Atmosphere

Front

Boundary between Earth's crust and mantle.

Back

moho

Front

Location on Earth's surface with no seismic waves or only P waves detected.

Back

shadow zone

Front

Object in orbit around a larger mass

Back

Satellite

Front

Orbit above Earth's equator, moving with Earth's rotation.

Back

Geosynchronous orbit

Front

Orbit over the Arctic

Back

polar orbit

Front

Closest point in a planet's orbit to the sun.

Back

perihelion

Front

Wobbling of the Earth on its axis tracing a circle every 26,000 years.

Back

precession

Front

Movement of a planet around the sun

Back

Revolution