Phases of the Moon

Question 0

New Moon

Answer 0

it is the instant when the Moon and the Sun have the same ecliptical longitude

Question 1

Phase

Answer 1

One of the different apparent shapes of the moon as seen from Earth.

Question 2

Waxing crescent

Answer 2

the sunlit portion is increasing, but less than half, so it is a waxing crescent

Question 3

1st/3rd Quarter

Answer 3

The first quarter and third quarter moons (both often called a “half moon”), happen when the moon is at a 90 degree angle with respect to the earth and sun. Half of the moon is lit up.

Question 4

Waxing gibbous

Answer 4

Where almost all of the moon is lit up with sunlight.

Question 5

Full Moon

Answer 5

When the entire moon is lit up by sunlight

Question 6

Waning Gibbous

Answer 6

The same thing as a waxing gibbous, but flipped to where the darkness appears on the opposite side

Question 7

Waning crescent

Answer 7

The same thing as a waxing crescent but the darkness is on the other side

Question 8

Eclipse

Answer 8

Where a celestial body overlaps/blocks another

Question 9

Solar eclipse

Answer 9

Where the sun covers the moon

Question 10

Lunar eclipse

Answer 10

Where the moon covers the sun