Light spectrum in stars Flashcards
1
Q
What colours do the sun’s spectrum show? What is this spectrum known as?
A
All colours, known as a continuous spectrum
2
Q
What type of radiation do stars emit?
A
Blackbody radiation
3
Q
What is a spectroscope?
A
A spectroscope is used to view the gas of a pure element, and a spectrum can be seen showing a few narrow, bright lines
4
Q
Does every element have its own emission spectrum?
A
Yes
5
Q
When is an emission spectrum produced?
A
When a gas is heated
6
Q
When is an absorption spectrum produced?
A
When a white light is shone through the gas, or when a body emits blackbody radiation
