The sun Flashcards
1
Q
Radius of the sun
A
700,000 km
2
Q
Mass of the sun
A
2.0 x 10^30 kg
3
Q
Rotational period of the sun
A
differential, about a month
4
Q
What is the surface temperature of the sun
A
5,800 K (black body radiation)
5
Q
What is the photosphere
A
the thin, visually observeable surface of the sun (sunspots etc.)
6
Q
What generates the sun’s heat
A
Conversion of Hydrogen (H) to Helium (He)
7
Q
What are the layers of the sun?
A
(Top down)
Corona
Transition zone
Chromosphere
Photosphere (VISUAL SURFACE)
Convection Zone
Radiation zone
Core
8
Q
How hot is the sun’s corona?
A
3,000,000 K
9
Q
Where in the sun do nuclear reactions occur
A
The core, energy is then carried outward
10
Q
How hot is the core of the sun?
A
~16,000,000 K
11
Q
A
