Articles Grammar - The Moon

Complete the sentence by choosing the best replacements below:

______ word "waxing" is used to indicate ______ thickening phase as the crescent phase gradually becomes a half - moon.

• The, an

• The, the

• The , next

Complete the sentence with the best article:

Pre - telescopic observers noticed ______ dark spots on the lunar surfaces and they later became known as maria.

• an

• a

• the

Complete the sentence with the best word:

After a full moon _____ next four phases reverse as the moon begins to "wane" or shrink.

• a

• the

• it's

The synodic month takes 29.5 days for the moon to complete all ____ its phases.

• a

• no article

• the

Complete the sentence with the best word choices:

______ nature of the moon's orbit generates a wobbling motion called _____ libration.

• The, those

• The , zero article

• The , an

Complete the sentence by choosing the best words:

At just _____quarter of ______ million miles away, the moon is closer to Earth than Venus, her neighboring planet.

• a, a

• zero article, zero article

• the, the

Complete the sentence with the best words"

Although _____sun is always shining on _____ full half of the moon, the amount lit that we can see from Earth depends on where the moon is its orbit around Earth.

• a, a

• the, an

• the, a

Although _____ people once thought that ______ moon contained large bodies of water, we now know that the lunar environment is devoid of them.

• a, the

• the, a

• zero article, the

_____ moon completes ____ revolution of the earth in 27.3 days during a period known as the sidereal month.

• A, the

• The, a

• Zero article. the

Complete the sentence with the best words:

______ full moon nearest the the autumnal equinox in ______ September is called the Harvest Moon.

• A, the

• The, a

• The, zero article