Test 6/31

Question 1

average distance between the Earth and the Sun

Answer 1

Astronomical Unit

Question 2

how far light can travel in one year

Answer 2

light year

Question 3

unit used to measure distances IN our solar system

Answer 3

AU

Astronomical Unit

Question 4

unit used to measure distances OUTSIDE of our solar system

Answer 4

light year

Question 5

what are the two motions of objects in space?

Answer 5

rotation

revolution

Question 6

spinning of a planet/sun on axis

/
O
/

Answer 6

rotation

Question 7

what an object moves in orbit around another object, it revolves around it

o
O

Answer 7

revolution

Question 8

START with the cloud of gas and dust

which step is this of how the solar system is formed?

Answer 8

step 1

Question 9

1gravity and 2gas pressure cause the cloud to pull in word making it smaller and it starts to spin
(which step is this of how the solar system is formed?)

Answer 9

step 2

Question 10

nebula begins to flatten into a spinning pancake shape with a bulge at the center
(which step is this of how the solar system is formed?)

Answer 10

step 3

Question 11

nebula continues to collapse, rotating cloud cause local regions to begin to pull closer together
(which step is this of how the solar system is formed?)

Answer 11

step 4

Question 12

Proto son gets to begin enough it starts producing energy which makes it a full store. A solar system is BORN
(which step is this of how the solar system is formed?)

Answer 12

step 5

Question 13

how do we know something is in our solar system?

Answer 13

orbits our sun

Question 14

A group of millions/billions of stars. All-Stars orbit around a centerpoint

Answer 14

Galaxy

Question 15

what is the name of our galaxy?

Answer 15

milky Way

Question 16

in which layer of the sun can you SEE Energy moving out into space?

Answer 16

PHOTOsphere

Question 17

layer of the sun where energy is produced

Answer 17

Core

Question 18

two layers of the sun’s atmosphere

Answer 18

chromosphere, Corona

Question 19

how do stars make energy?

Answer 19

nuclear fusion

Question 20

what happened in nuclear fusion?

Answer 20

hydrogen turned into helium and releases energy

Question 21

what types of Adams are involved in nuclear fusion?

Answer 21

hydrogen, helium, neutron, energy

Question 22

how much percent of hydrogen is the sun made of?

Answer 22

75%

Question 23

how much percent of helium is the sun made of?

Answer 23

24.5%

Question 24

how much percent of “other” is the sun made of?

Answer 24

0.5%

Question 25

what happens when the sun runs out of hydrogen?

Answer 25

The sun dies

Question 26

what is surface temperature of our sun?

Answer 26

9,900°F (5500°C)

Question 27

what are some spots and how long do they last?

Answer 27

cool, dark patches on the sun’s surface

1-2 weeks

Question 28

magnetic storm on the sun

Answer 28

Solar flare

Question 29

more than 99% of all of the mass in the solar system is in what?

Answer 29

Sun

Question 30

how is a dwarf planet different from a planet?

Answer 30

they do not clear their orbits

Question 31

how many dwarf planets are there and what are their names?

Answer 31

• 5

- Eris, Pluto, Makemake, haumea, ceves

Question 32

what is the name of the man-made object that has traveled further than any other object?

Answer 32

Voyager-1

Question 33

what are the 3 rules to be a planet?

Answer 33

orbits around sun

large enough that it’s own gravity pulls it into a sphere

large enough to clear away objects from its orbit