Quarter 3 Vocab

Front

Earth's orbit around the Sun

Back

revolution

Front

Large group of stars and matter formed in the universe.

Back

galaxy

Front

The point where the sky meets the Earth.

Back

horizon

Front

Point when the Sun is highest in the sky.

Back

solar noon

Front

Distance from Earth to the Sun.

Back

astronomical unit

Front

When the sun is at its highest or lowest point, marking the longest or shortest days.

Back

solstice

Front

Imaginary line through the Earth.

Back

axis

Front

Spinning 360 degrees on an axis.

Back

rotation

Front

Two days of the year with equal day and night length.

Back

equinox

Front

Imaginary line Earth orbits around the Sun.

Back

ecliptic