Daily Archives: April 9, 2014

Schwarzschild Radii and You

So what is a Schwarzschild radius? And is it a concept that is dangerous for us? First of all, the second question is silly: nearly every concept in astronomy and/or physics has implications or applications that are dangerous to us. So we’ll ignore that one. Second of all, the Schwarzschild radius is a property of a given … Continue reading Schwarzschild Radii and You Continue reading

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The Curious Case of the Two-Tailed Comet

We’ve all pictured it in our heads: a comet, whizzing through the solar system, leaving behind a long, bright, stunning tail showing where it’s been and implying its prograde (forward) velocity direction. I used to think this was the case too. and then I learned later in life that a comet’s tail is only visible … Continue reading The Curious Case of the Two-Tailed Comet Continue reading

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