What is the lorentz factor for the comet

Reference no: EM13337518

1. An astronomer observes a comet and measures the wavelength of the H? line to be at 486.2 nm. In the lab, the line is found to be at 486.1 nm.

Is the comet moving towards or away from us?

What is the comet's radial velocity?

What fraction of the speed of light is this?

What is the Lorentz factor for the comet?

Would the astronomer expect the comet to be noticeably length contracted? Why or why not?

Reference no: EM13337518

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