Sol - Our Sun

Question 1

Life Cycle of a Star

Answer 1

Yellow Dwarf - Red Giant - White Dwarf - Black Dwarf

Question 2

Life of Yellow Dwarf

Answer 2

Approx. 10 billion years

Question 3

Life of our Solar System

Answer 3

Approx. 4.6 billion years

Question 4

Converts hydrogen into?

Answer 4

Helium

Question 5

Energy is equivalent to?

Answer 5

100 nuclear bombs

Question 6

1 Solar Mass (SM)

Answer 6

2x10^30 kg

Question 7

1 Astronomical Unit (AU)

Answer 7

93 million miles (distance from Earth to Sun

Question 8

Gravity compared to Earth

Answer 8

30x (Earth is 1 g)

Question 9

Sun’s surface temp

Answer 9

6000 K

Question 10

Core temp

Answer 10

15 million K

Question 11

Layers of Sun (can’t see)

Answer 11

Core - Radiative Zone - Convection Zone

Question 12

Layers of Sun (can see)

Answer 12

Photosphere - Chromosphere - Corona

Question 13

What zone are photons in the longest?

Answer 13

Radiative Zone - approx. 100,000 years

Question 14

Length of time in convection zone

Answer 14

1-2 weeks

Question 15

Photosphere

Answer 15

The yellow surface you see

Question 16

Umbra

Answer 16

Full shadow of sunspot

Question 17

Penumbra

Answer 17

Outer shadow of sunspot

Question 18

Prominences

Answer 18

associated with sunspots, charged, think rainbow

Question 19

How long is the Sun’s cycle

Answer 19

22 years, poles reverse every 11 years

Question 20

Maunder Minimum

Answer 20

1645-1715, few sunspots