View Full Version : Ep. 196: Luminosity and Magnitude

2010-Sep-13, 06:20 PM
Astronomers measure the brightness of stars as magnitude. But this brightness depends on the distance to the star as well as the total amount of energy it's pumping out into space. And from our vantage point here on Earth, appearances can be deceiving.http://feeds.feedburner.com/~r/astronomycast/~4/LnPU_5FsY64

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2010-Sep-16, 10:51 AM
Why did Episode 196 get released after Ep 197?