A star is observed moving away from Earth. What can you conclude about the spectrum of that star?

The spectrum will shift to the blue.

The spectrum will shift to the red.

The spectrum will not change.

The spectrum will shift first to the blue, and then to the red.

Question

Physics

Max Mcgrath

22 April, 16:38

A star is observed moving away from Earth. What can you conclude about the spectrum of that star?

The spectrum will shift to the blue.

The spectrum will shift to the red.

The spectrum will not change.

The spectrum will shift first to the blue, and then to the red.

+2

Answers (1)

Know the Answer?

Kenny Daugherty · Answer 1

The correct answer in this question is the second option. The spectrum will shift to the red. Redshift occurs when light is coming from an object that is moving farther away from the observer. This would result to longer wavelengths.

A star is observed moving away from Earth. What can you conclude about the spectrum of that star?The spectrum will shift to the blue.The spectrum will shift to the red.The spectrum will not change.The spectrum will shift first to the blue, and then to the red.

A star is observed moving away from Earth. What can you conclude about the spectrum of that star?

The spectrum will shift to the blue.

The spectrum will shift to the red.

The spectrum will not change.

The spectrum will shift first to the blue, and then to the red.