Chapter 16&17 Flashcards
We know the sun rotates differently by observing sunspots
T
The suns mass and value are over a million times that of eart
F
The nearest star to our sun, alpha centauri, is over a parsec distant away
T
Most stars are found in our binary systems
T
The light we see from the sun comes from which layer
Photosphere
Why couldn’t you stand on the surface of the su
The sun doesn’t have a solid surface
How many earths could fit inside the sun
A little over a million
What percent of incoming energy from the sun reaches earths surface
50-70%
Inside out, correct order of the sun
Radiative zone, convective zone, chromosphere
Hydrostatic equilibrium in our sun is the balance between
Gravitation and pressure
A loop of gas following the magnetic field lines between sunspots
Prominence
How long does the sunspot cycle last
11 years
Sunspots
Come in pairs, north and south magnetic fields
If a star appears to move back and forth relative to other stars over a six month period, this motion is
Parallax shift
Absolute magnitude of the sun
4.8
