Galaxy

Question 1

Things in space visible to us?

Answer 1

6,000 Stars
5 planets
Other galaxies

Question 2

What measures how long it takes for light to travel in one year?

Answer 2

Light-year

Question 3

How long does it take light to reach Earth?

Answer 3

8 minutes and 20 seconds

Question 4

One light year=

Answer 4

1 trillion years = 6 trillion miles

Question 5

Light that doesn’t travel through matter is called?

Answer 5

Photons

Question 6

What is Radiation?

Answer 6

Atoms that do NOT move, transfer/shares energy

Question 7

What is convection?

Answer 7

Atoms DO move

Question 8

What is a convection current?

Answer 8

Cycle where hot air goes up, cool air goes down

Question 9

The closest star to us is called?

Answer 9

Alpha Centauri

Question 10

How far away is the closest star to us?

Answer 10

4 light years

Question 11

What shows temp, size, shape, and brightness all on one chart?

Answer 11

HR diagram

Question 12

How long does sunlight take to reach Pluto?

Answer 12

5 hours

Question 13

What scientist discovered the Big Bang?

Answer 13

Edwin Hubble

Question 14

The scientist above looked into the sky thinking he’d see? (Ed Hu)

Answer 14

Blueshift

Question 15

He instead saw? (Ed Hu)

Answer 15

Redshift

Question 16

What device helped us hear the Big Bang?

Answer 16

Horn Interna

Question 17

Who created it? (Ho In)

Answer 17

AT and T

Question 18

What is the Doppler effect?

Answer 18

When something is moving away and looks blue.

Question 19

The galaxy types and their shapes:

Answer 19

Spiral -> Pinwheel
Elliptical -> Sphere/circle
Irregular -> not-defined

Question 20

What does AU mean?

Answer 20

Astronomical Unit

Question 21

Which is the hottest planet and why?

Answer 21

Venus

Because of its think atmosphere

Question 22

When material comes together/ is smashed together and is held by gravity/heat/friction

Answer 22

Accretion

Question 23

What do we call the material that comes out of black holes?

Answer 23

Quasor

Question 24

(End of the universe options)
Universe keeps expanding, gravity can’t make new stars is called?

Answer 24

Big freeze

Question 25

(End of the universe options) Universe expands, stops, gravity pulls it back, New Big Bang is called?

Answer 25

Big Crunch

Question 26

What is Dark Matter?

Answer 26

An idea to as why the universe is expanding (not proven)

Question 27

What are other planets that orbit other stars called?

Answer 27

Exoplanets

Question 28

Naturally made satellites?

Answer 28

Our moon, the Sun

Question 29

Human made satellites?

Answer 29

Hubble space telescope James Webb telescope

Question 30

What do we call the inner four planets, because they’re made of rock?

Answer 30

Terrestrial

Question 31

What is a brown dwarf?

Answer 31

A failed star

Question 32

What do we call a rock in space?

Answer 32

Asteroid

Question 33

When the rock goes through the atmosphere it’s called?

Answer 33

A Meteor

Question 34

When the rock hits the ground it’s called?

Answer 34

A Meteorite

Question 35

The imprint a space rock leaves behind in Earth is called?

Answer 35

A Crater

Question 36

Common name for space rock?

Answer 36

Shooting Star

Question 37

What is a big chunk of ice that floats in space and doesn’t follow the disk shape?

Answer 37

Comet

Question 38

How far across is Pluto?

Answer 38

310 miles

Question 39

What is the closest galaxy to us?

Answer 39

Andromeda