The sun

Question 1

define relativity

Answer 1

mass and energy are equivalent

Question 2

what is released due to loss of mass

Answer 2

energy

Question 3

define sunspot

Answer 3

cooler areas of the photosphere

Question 4

photosphere

Answer 4

lower layer of sun where light is emitted

Question 5

chromosphere

Answer 5

middle layer of sun has higher temp then photosphere and gives off reddish emission-line spectrum

Question 6

corona

Answer 6

outer layer of sun, very hot, temp = 1 to 2 million kelvin, emits x-rays