Would someone please check my calculations for the Doppler Effect for Astronomy
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Would someone please check my calculations for the Doppler Effect for Astronomy

[From: ] [author: ] [Date: 13-01-30] [Hit: ]
1%?Or am I forgetting a step somewhere?No, not taking astronomy.Trying to explain the concept and math to one of my children, and getting a little confused.......
I measured the H-alpha wavelength as 7250 angstroms.
The wavelength shift is 7620 - 7250 = 370
Divided by 7250 to get the value of the redshift (z) as 37/725
Does that mean that the speed of the galaxy as a fraction of the speed of light is 5.1%?

Or am I forgetting a step somewhere?

No, not taking astronomy. Trying to explain the concept and math to one of my children, and getting a little confused.

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correct
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