Quiz 31, Chapter 10, pp. 351-357 Flashcards
1
Q
The visible part of the sun
A
photosphere
2
Q
what is the outermost layer of the sun’s atmosphere
A
corona
3
Q
tremendous bursts of energy caused by magnetic stress within the sun
A
solar flares
4
Q
bubbles that cover the surface of the photosphere
A
granules
5
Q
what is the distance light travels in one year
A
light year
6
Q
to determine the distance to a star, astronomers measure the angle called
A
stellar parallax
7
Q
dark patches on the sun caused by the sun’s magnetic field
A
sunspots
8
Q
brightness of a star as it appears to an observer on the earth
A
apparent magnitude
9
Q
larger than normal convection cells that cover the sun’s surface and last from 12 to 24 hours
A
supergranules
10
Q
thin layer of the sun’s atmosphere that releases ultraviolet radiation
A
transition region
