Test 3 Flashcards Preview

Astronomy 101 > Test 3 > Flashcards

Flashcards in Test 3 Deck (18)
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1
Q

More than 180

A

Positive

2
Q

Less than 180

A

Negative

3
Q

Equal to 180

A

Flat

4
Q

Keeps expanding

A

Open

5
Q

Expanded then closes

A

Closed

6
Q

Energy of motion

A

Kinetic

7
Q

2 up 1 down

A

Proton

8
Q

1 up 2 down

A

Neutron

9
Q

Color

A

Red blue green

10
Q

Can’t tell apart

A

Symmetry

11
Q

Force carrying

A

Integer

12
Q

Matter particles

A

Half integer

13
Q

Distance from bh that to escape have to be going speed of light

A

Event horizon

14
Q

In order to be orbit have to be traveling at speed of light

A

Photon sphere

15
Q

Angle to leave bh

A

Exit cone

16
Q

Forms during bbt. Get matter as dense as you can get it

A

Primordial

17
Q

Left over from supernovas

A

Stellar

18
Q

During quasar and largest radius

A

Supermassive