31.1 & 31.2 Flashcards

(13 cards)

1
Q

constellation

A

stars by ancient cultures remain today

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

radio telescope

A

collects and amplifies radio waves.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

spectroscope

A

uses a prism or diffraction grating to separate light into its component wavelengths

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

nebula

A

stars form from a large cloud of gas, ice, and dust

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

main sequence

A

broad band of stars from the hot bright stars in the upper left corner of the diagram.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

giant stars

A

as equilibrium ends the stars core contracts the temperature increases and the star en voles into a giant star

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

white dwarf

A

forms as the core of a giant star no longer supports fusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

black hole

A

an area in space that is so dense that nothing can escape its pull of gravity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

photo sphere

A

layer of the sun that emits light into space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

sunspots

A

dark cool areas in the photo sphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

light year

A

the distance light travels in one year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

supernovas

A

energy is absorbed and the star an no longer support itself

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

giant

A

superhuman size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly