Space

Question 1

Solar System-

Answer 1

The sun and it’s family of orbiting planets, moons, and other objects.

Question 2

Galaxy-

Answer 2

Millions or billions of stars held together in a group by their own gravity.

Question 3

Universe-

Answer 3

Space and all the matter and energy in it.

Question 4

Satellite-

Answer 4

An object that orbits a massive object.

Question 5

Impact crater-

Answer 5

A round out left behind on the surface of a planet or other body in space

Question 6

Axis of rotation-

Answer 6

An imaginary line in which a turning body, such as Earth rotates.

Question 7

Revolution-

Answer 7

The motion of one body around another, such as Earth in it’s orbit around the Sun;

Question 8

Season-

Answer 8

One part of a pattern of temperature changes and other weather trends over the course of the year.

Question 9

Equinox-

Answer 9

In an orbit, a position and time in which sunlight shines equally on the Northern Hemisphere and the Southern Hemisphere.

Question 10

Solstice-

Answer 10

In an orbit, a position and time during which one hemisphere gets its maximum are of sunlight, while the other hemisphere gets its minimum amount.

Question 11

Mare-

Answer 11

A large, dark plain of solidified lava on the moon.

Question 12

Ellipse-

Answer 12

An oval or flattened circle.

Question 13

Umbra-

Answer 13

The dark, central region of a shadow, such as the cone of complete shadow cast by an object.

Question 14

Penumbra-

Answer 14

A region of lighted shadow that may surround an umbra;

Question 15

Astronomical Unit (AU) -

Answer 15

Earths average distance from the sun, which is approximately 150 million kilometers (93 million mi.)

Question 16

Eclipse-

Answer 16

An event during which one object in space casts a shadow onto another.

Question 17

Terrestrial planet-

Answer 17

Earth or a planet similar to earth that has a rocky surface.

Question 18

Gas giant-

Answer 18

A large planet that consists of gases in a dense form. The four largest planets in the solar system are gas giants.

Question 19

Asteroid-

Answer 19

A small, solid, rocky body that orbits the sun.

Question 20

Comet-

Answer 20

A body that produces a coma of gas and dust.

Question 21

Meteor-

Answer 21

A brief streak of light produced by a small particle entering Earths atmosphere at high speed.

Question 22

Meteorite-

Answer 22

A small object from outer space that passes through Earths atmosphere and reaches the surface.

Question 23

Geocentric-

Answer 23

Having or representing the earth as a center.

Question 24

Heliocentric-

Answer 24

Having or representing the sun as the center.

Question 25

Gravity-

Answer 25

The force that objects exert on each other because of their mass.

Question 26

Tide-

Answer 26

Gravitational pull of the sun and moon combine to get the greatest effect.

Question 27

Waxing-

Answer 27

Of the moon between new and full.

Question 28

Waning-

Answer 28

(of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.

Question 29

Gibbous moon-

Answer 29

More than half but less than fully illuminated from the point of view of an observer.

Question 30

Orbit-

Answer 30

The path of an object in space as it moves around another object because of gravity.

Question 31

Crescent moon-

Answer 31

Part way between a half moon and a new moon.

Question 32

Full moon-

Answer 32

The phase of the moon in which its whole disk is illuminated.

Question 33

New moon-

Answer 33

The phase of the moon when it is in conjunction with the sun and invisible from earth.

Question 34

Quarter moon-

Answer 34

Either of the intermediate stages between the full and new moons.