Sol - Our Sun Flashcards
1
Q
Life Cycle of a Star
A
Yellow Dwarf - Red Giant - White Dwarf - Black Dwarf
2
Q
Life of Yellow Dwarf
A
Approx. 10 billion years
3
Q
Life of our Solar System
A
Approx. 4.6 billion years
4
Q
Converts hydrogen into?
A
Helium
5
Q
Energy is equivalent to?
A
100 nuclear bombs
6
Q
1 Solar Mass (SM)
A
2x10^30 kg
7
Q
1 Astronomical Unit (AU)
A
93 million miles (distance from Earth to Sun
8
Q
Gravity compared to Earth
A
30x (Earth is 1 g)
9
Q
Sun’s surface temp
A
6000 K
10
Q
Core temp
A
15 million K
11
Q
Layers of Sun (can’t see)
A
Core - Radiative Zone - Convection Zone
12
Q
Layers of Sun (can see)
A
Photosphere - Chromosphere - Corona
13
Q
What zone are photons in the longest?
A
Radiative Zone - approx. 100,000 years
14
Q
Length of time in convection zone
A
1-2 weeks
15
Q
Photosphere
A
The yellow surface you see
