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Radiation astronomy problem set

Main articles: Radiation astronomy/Problem set and Radiation astronomy problem set

This is a visual image of beta Virginis. Its effective surface temperature is 6,132 K. Credit: Aladin at SIMBAD.

Students start from a specific observational situation, notice changes, and calculate what's happening.

An astronomical radio source is detected on January 3, 2004. Over a period of 10 hours (hrs) of observation the detector records 1,000 counts (cts). The source's position is RA 10^h 10^m 10^s Dec -10° 10' 10". Its distance is 3 AU.