Spaceship Earth: Mystery 5

Front

Phase pictured:

Back

Full Moon

Front

Phase pictured:

Back

Crescent Moon

Front

Moon phases occur due to its changing position relative to the Sun.

Back

Moon's position relative to the Sun changes.

Front

Term for Moon's shapes as seen from Earth.

Back

Moon phases

Front

Moon cycles in a year?

Back

12

Front

Origin of 'month':

Back

Derived from 'moon'.

Front

Lunar cycle observation from Moon's orbit duration?

Back

28 days