Astronomy Vocab All

Front

Small body of rock and ice with a nucleus, coma, and tails pointing away from the sun.

Back

Comet

Front

Periodic rise and fall of sea level due to gravitational attraction of Earth, Moon, and Sun.

Back

Tide

Front

Occurs in fall when the sun is over the equator, resulting in equal day and night.

Back

Autumnal Equinox

Front

Point in a planet’s orbit closest to the Sun

Back

Perihelion

Front

Universe began as a single point, expanding ever since.

Back

Big Bang Theory

Front

Moon passes between Earth & Sun, casting a shadow on Earth, blocking Sun's view.

Back

Solar Eclipse

Front

Group of stars forming a pattern resembling an animal, mythological character, or object.

Back

Constellation

Front

Streak of light from a meteoroid burning in Earth's atmosphere.

Back

Meteor

Front

Study of objects beyond Earth’s atmosphere.

Back

Astronomy

Front

State where the Moon’s orbital and rotational periods are equal.

Back

Synchronous Rotation