26.1 26.2 Flashcards
0
Q
Plasma
A
The fourth state of matter
1
Q
Fusion
A
The combining of nuclei of lighter elements to form a heavier element
2
Q
Photosphere
A
The visible surface of the sun
3
Q
Chromosphere
A
The inner layer of the sun’s atmosphere
4
Q
Corona
A
The outer layer of the sun pass the photosphere this layer is 1,000,000°C to 3,000,000°C
5
Q
Sunspot
A
Dark spots on Sunday surface there less hot than the photosphere at 3500°C
6
Q
Solar wind
A
Solar wind is made of electronically charged particles that fly off into space they fly out about 450 kilometers per second
7
Q
Geocentric model
A
Model of the universe that states Earth is in the middle of the universe
8
Q
Heliocentric model
A
States that The sun is centered in the middle of are galaxy