A Filtergram Is a Photograph of the Sun's Surface Made

question 110

Multiple Choice

A filtergram is a photograph of the Sun's surface made

• A)in a band of wavelengths in the infrared.
• B)in a band of wavelengths in the ultraviolet.
• C)using the Zeeman effect.
• D)with only those photons emitted in a specific spectral line.
• E)none of the others.

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