Astronomy

Question 1

What is an Astronomical Unit?

Answer 1

Is the average distance between the Earth and the Sun.

Question 2

What is a Light-Year?

Answer 2

Distance of light travels in one year.

Question 3

What is a Parsec?

Answer 3

Describing large distances.

Question 4

What is a Nebula?

Answer 4

“fuzzy” patch on the sky.

Question 5

What is a Constellation?

Answer 5

A grouping of stars that form a shape.

Question 6

What is a Planetesimal?

Answer 6

Small bodies then into big protoplanets.

Question 7

What is a Protoplanetary Body?

Answer 7

Clump of material, formed in the early solar system.

Question 8

What is a Nuclear Fusion?

Answer 8

A nuclear process.

Question 9

What are Terrestrial Planets?

Answer 9

Planets that look similar to the Earth, such as Venus.

Question 10

What are Gas Giant Planets?

Answer 10

Large planets that are made entirely of gas.

Question 11

What is an Angular Velocity?

Answer 11

Change of angular position of a rotating body.

Question 12

What is a Comet?

Answer 12

A celestial body moving about the sun.

Question 13

What is an orbit?

Answer 13

The curved path around the sun.

Question 14

What is an Asteroid?

Answer 14

Any numerous of bodies that move between Jupiter & Mars.

Question 15

What is a Cosmologist?

Answer 15

An astronaut who studies evolution and structure of the universe.

Question 16

What kind of unit is a Year?

Answer 16

A period of the same length in other calenders.

Question 17

What does it mean to Revolve?

Answer 17

To move in a circular orbit.

Question 18

What is a Rotation?

Answer 18

Turning around on its axis.

Question 19

What does it mean to Sidereal?

Answer 19

Pertaining to the stars.

Question 20

What kind of unit is a Day?

Answer 20

Time between sunrise and sunset.

Question 21

What kind of unit is a Solar Day?

Answer 21

Time equal to 24 hrs.

Question 22

What kind of unit is a Period?

Answer 22

Portion of time.