A galaxy containing HI gas is moving with a velocity of 150 km/s away fromus (along the line of sight). Calculate the frequency at which we will observethe HI emission line. 5. A galaxy containing HI gas is moving with a velocity of 150 km/s away fromus (along the line of sight). Calculate the frequency at which we will observethe HI emission line.

Answered: Image /qna-images/answer/bf1c4447-fb5e-4d54-a299-bfb0b47f7f37.jpg

Answered: 5. A galaxy containing HI gas is moving…

5. A galaxy containing HI gas is moving with a velocity of 150 km/s away from us (along the line of sight). Calculate the frequency at which we will observe the HI emission line.

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Question

A galaxy containing HI gas is moving with a velocity of 150 km/s away from
us (along the line of sight). Calculate the frequency at which we will observe
the HI emission line.