Question

• What else can scientists determine from studying the light of a star?

Answer 1

@rajathsbhat

Answer 2

"else"?
do you already know that they can determine it's temperature?

Answer 3

yes

Answer 4

brightness, temperature, composition and size

Answer 5

well they can know what elements it contains, like what we did by studying the light from the sun and we knew that it contains He (that was in 1867)

Answer 6

this is done by studying the absorption spectrum of the light we are receiving and we know that each element has a unique absorption spectrum.

Answer 7

They can also predict which part of it's life it's in. In other words, they can guess it's age.