Planets

Question 1

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

Answer 1

Umbra

Question 2

A body that produces a coma of gas and dust a small icy body that orbits the sun

Answer 2

Comet

Question 3

Space and all matter and energy in it

Answer 3

Universe

Question 4

The force that objects exert on one another because of their mass.

Answer 4

Gravity

Question 5

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

Answer 5

Meteorite

Question 6

A round pit left behind on the surface of a planet after a smaller object strikes the surface

Answer 6

Impact crater

Question 7

The rise and fall of oceans caused by the gravitational pull of the moon and sun

Answer 7

Tide

Question 8

In an orbit, a position and in which sun shines equally on both hemispheres

Answer 8

Equinox

Question 9

A small solid rocky body that orbits the sun

Answer 9

Asteroid

Question 10

More than half but less than fully illuminated

Answer 10

Gibbous moon

Question 11

An imaginary line about which a turning body such as Earth rotates

Answer 11

Axis of rotating

Question 12

A sun centered theory of the universe

Answer 12

Heliocentric theory

Question 13

The path of an object in space as it moves around another object due to gravity

Answer 13

Orbit

Question 14

A brief streak of light produced by particle entering Earth atmosphere in high speed

Answer 14

Meteor

Question 15

An object that orbits a more massive object

Answer 15

Satellite

Question 16

The gradual decrease in the illuminated surface of the moon

Answer 16

Waning

Question 17

Earth centered theory of the solar system

Answer 17

Geocentric

Question 18

The entire surface of the moon is not illuminated

Answer 18

New moon

Question 19

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

Answer 19

Solstice

Question 20

An oval or flattened circle

Answer 20

Ellipse

Question 21

The entire surface of the moon is illuminated

Answer 21

Full moon

Question 22

A large dark plain of solidified lava on the moon

Answer 22

Mare

Question 23

Half of the moon is illuminated

Answer 23

Quarter moon

Question 24

A region shadow that may surround a dark central region

Answer 24

Penumbra

Question 25

A planet that has a rocky surface

Answer 25

Terrestrial planet

Question 26

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

Answer 26

Astronomical units

Question 27

A large planet that consists mostly of gases in a dense form

Answer 27

Gas giant

Question 28

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

Answer 28

Season

Question 29

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

Answer 29

Solar system

Question 30

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

Answer 30

Galaxy

Question 31

The illuminated surface is less than a quarter illuminated

Answer 31

Crescent moon