April 4, 2013
Want to stay on top of all the space news? Follow @universetoday on Twitter How far away is Mars — or, looking at it another way, how close is it? The exact answer varies, of course, as both it and our planet are constantly moving along their own orbits around the Sun. At the time [...]
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May 29, 2012
Measuring distance doesn’t sound like a very challenging thing to do — just pick your standard unit of choice and corresponding tool calibrated to it, and see how the numbers add up. Use a meter stick, a tape measure, or perhaps take a drive, and you can get a fairly accurate answer. But in astronomy, [...]
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