Earth, Sun, Moon Retest

Front

What is the day of the year with the most daylight hours?

Back

The summer solstice.

Front

What is our sidereal day?

Back

23 hours, 56 minutes, and 4 seconds.

Front

What shape is Earth's orbit?

Back

Ellipse.

Front

What is the circular offset of Earth’s position due to its rotation on its axis?

Back

Precession.

Front

What is the moon phase when it is less than half illuminated and decreasing?

Back

Waning crescent.

Front

What is the phenomenon called when the Earth is closest to the Sun?

Back

Perihelion.

Front

What is the phenomenon called when the Earth is farthest from the Sun?

Back

Aphelion.

Front

What is the term for the tilt of Earth's axis?

Back

Obliquity.

Front

What is the average duration of a solar day?

Back

24 hours.

Front

What is the term for the time it takes for the Moon to complete one orbit around the Earth?

Back

Lunar month.