Moons and Smaller Solar Systems

Question 1

Light colored rock surface of the moon that is older more cratered and extends several kilometers above the average elevation of the moon

Answer 1

Highlands

Question 2

Large dark flat areas on the moon believed to be craters formed by large impacts from space that then filled with volcanic lava

Answer 2

Maria

Question 3

A circular depression on the surface of the moon caused by the impact of a meteoroid

Answer 3

Crater

Question 4

The time it takes the moon to make one complete cycle relative to the stars

Answer 4

Sidereal Month

Question 5

The time it takes the moon to go through one complete cycle of phases

Answer 5

Synodic Month

Question 6

The phase of the moon that occurs when the moon is on the same meridian as the sun at 12 noon local solar time

Answer 6

New Moon

Question 7

The moon viewed when less than one half of its observed surface is illuminated

Answer 7

Crescent Moon

Question 8

The moon viewed when more than one half of its illuminated surface is observed from the earth

Answer 8

Gibbous Moon

Question 9

The moon when its 90 degrees east of the sun and appears as a quarter moon on an observers meridian at 6 pm local solar time

Answer 9

First-Quarter Phase

Question 10

The moon when it is fully illuminated

Answer 10

Full Moon

Question 11

The phase that occurs when the moon is 270 degrees east of the sun and appears on the observers meridian at 6 am local solar time

Answer 11

Last-Quarter Phase

Question 12

The blocking of the light of one celestial body by another

Answer 12

Eclipse

Question 13

A region of total darkness in a shadow during an eclipse an observer in the region sees total darkness

Answer 13

Umbra

Question 14

Complete blocking of the sun seen by an observer in the umbra

Answer 14

Total Solar Eclipse

Question 15

A semidark region of the moons shadow during an eclipse an observer in the penumbra sees only a partial eclipse

Answer 15

Penumbra

Question 16

The earths dark shadow completely covers the moon

Answer 16

Total Lunar Eclipse

Question 17

The periodic rise and fall of the water level along the shores of large bodies of water

Answer 17

Tides

Question 18

Small interplanetary metallic and stony objects in space before they encounter the earth

Answer 18

Meteoroids

Question 19

A metallic or stony object that burns up as it passes through the earths atmosphere and appears to be a shooting star

Answer 19

Meteor

Question 20

A metallic and stony object from the solar system that strikes the earths surface

Answer 20

Meteorites

Question 21

A relatively small object that is composed of rock dust and ices and that revolves about the sun in highly elliptical orbit

Answer 21

Comet

Question 22

The cloud of cometary objects believed to be orbiting the sun far beyond the orbit of Neptune and from which the majority of comets originate

Answer 22

Oort Cloud

Question 23

A doughnut shaped ring of space around the sun beyond the orbit of Neptune and that extends to well beyond the orbit of Pluto and Eris containing many short period comets

Answer 23

Kuiper Belt

Question 24

Very small solid particles known as micro meteoroids that exist in the space between the planets

Answer 24

Interplanetary Dust