Proxima Centauri
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What is a Light-Year?
In my article, “Where Are We?” I showed you just how huge astronomical distances really are. There’s a reason people say that incredible things are “astronomical!” The image above illustrates how far Earth is from several faraway objects, including one…
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Just How Big Are Stars?
Tell me about the stars you see in this image. They look like billions of little pinpricks of light, right? It’s hard to imagine that each one of these is probably the size of the sun…or much larger. And the…
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Distances Between Stars
When you look up into the sky on a clear night away from the glare of the city, you see trillions upon trillions of stars. Thousands of years ago, the classical astronomers saw the same thing you do today — except…
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Mapping the Sky
I need you guys to help me with something. Can you find a horse in this image of the night sky? Yeah, me neither. I’m lost. I see the Great Square of Pegasus because I know what to look for,…
