Space Vocabulary🎓🌸

Question 1

Satellite

Answer 1

An object that orbits a more massive object.

Question 2

Geocentric Theory

Answer 2

Earth centered theory of the solar system.

Question 3

New Moon

Answer 3

The entire surface of the moon is not illuminated.

Question 4

Solstice

Answer 4

In an orbit, a position and time during which one hemisphere receives the maximum sunlight.

Question 5

Galaxy

Answer 5

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

Question 6

Ellipse

Answer 6

An oval or flattened circle.

Question 7

Full moon

Answer 7

The entire surface of the moon is illuminated.

Question 8

Mare

Answer 8

Large dark plain of solidified lava on the moon.

Question 9

Quarter Moon

Answer 9

Half of the moon is illuminated.

Question 10

Penumbra

Answer 10

A region of lighter shadow that may surround a dark central region.

Question 11

Waning

Answer 11

The gradual decrease in the illuminated surface of the moon.

Question 12

Terrestrial Planet

Answer 12

A planet that has a rocky surface.

Question 13

Astronomical Unit (AU)

Answer 13

Average distance from the sun which is 93,000,000 miles.

Question 14

Gas Giant

Answer 14

A large planet that consists mostly of gasses in a dense form.

Question 15

Season

Answer 15

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

Question 16

Solar System

Answer 16

The Sun and its family of orbiting planets and moons and other objects.

Question 17

Crescent Moon

Answer 17

The illuminated surface is less than a quarter illuminated.

Question 18

Rotation

Answer 18

Motion of one body around another, such as the Earth in its orbit around the Sun.

Question 19

Waxing

Answer 19

The gradual increase of the illuminated surface of the moon.

Question 20

Eclipse

Answer 20

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

Question 21

Orbit

Answer 21

Path of an object in space as it moves around another object.

Question 22

Solar System

Answer 22

The Sun and its family of orbiting planets and moons and other objects.

Question 23

Heliocentric Theory

Answer 23

Representing the sun as the center, as in the accepted astronomical model of the solar system.

Question 24

Impact Crater

Answer 24

A crater on a planet or moon caused by the impact of a meteorite or other object, typically circular with a raised rim.

Question 25

Umbra

Answer 25

The darker region of the Earth’s shadow.

Question 26

Eclipse

Answer 26

An obscuring of the light from one celestial body by the passage of another between it and the observer or between it and its source of illumination.

Question 27

Asteroid

Answer 27

a small rocky body orbiting the sun more often between Mars and Jupiter.

Question 28

Comet

Answer 28

a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.

Question 29

Meteor

Answer 29

a small body of matter from outer space that enters the earth’s atmosphere.

Question 30

Meteorite

Answer 30

a meteor that survives its passage through the earth’s atmosphere such that part of it strikes the ground.

Question 31

Perihelion

Answer 31

the point in the orbit of a planet, asteroid, or comet at which it is closest to the sun.

Question 32

Aphelion

Answer 32

the point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun.

Question 33

Equinox

Answer 33

When the sun crosses the celestial equator and the day and night are of equal length.

Question 34

Universe

Answer 34

all existing matter and space considered as a whole.