Question: What is interferometry? O 4. Combining multiple telescopes at different wavelengths to see fainter objects. O b. Flying telescopes into space to avoid the interference

to see fainter objects. O b. Flying telescopes into space to avoid

What is interferometry? O 4. Combining multiple telescopes at different wavelengths to see fainter objects. O b. Flying telescopes into space to avoid the interference of our atmosphere. O C Using polarizing filters to determine the orientation of light. O d. Combining signals from multiple telescopes to improve angular resolution. O e. Adjusting the mirror on telescopes rapidly to compensate for the interference of the atmosphere.If an emission line with a rest value of 4686 nm is observed at 4712 nim, what velocity does that correspond to ? O a. 0.0055 m/s O b. 1.0055 m/s O c. 3.02e8 m/s O d. 1.7e6 m/s O e. 7.Be9 m/s

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