Tag Archives: atmosphere

Cosmic Rays

Cosmic rays remain, for the most part, a cosmic mystery. But then, what about the universe doesn’t still remain partially shrouded in mystery? Cosmic rays are radiation, but they’re not electromagnetic. That is, they’re not on the electromagnetic spectrum. So, … Continue reading

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Infrared & High-Energy Astronomy

You probably recognize this image. You see something like it whenever you look up at the sky. Some days are clearer than others—some, you might even see a completely blue sky—but regardless, you know that this is an image of … Continue reading

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Radio Astronomy: Limitations

Astronomy is a labor of love, and radio astronomy is no different. As I covered in my last post, radio astronomy deals with the longest wavelengths of the electromagnetic spectrum (a spectrum that includes visible light). Radio waves are not sound … Continue reading

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Interferometry

Imagine you have an image like this. This object is faint and faraway, so you can’t make out much more detail. You know that other stars like it—closer, brighter stars—have looked like this and turned out to be two stars, … Continue reading

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Telescope Powers

Have you seen one of these guys before? You probably have, even if you don’t recognize this brand-new innovation. This is the European Extremely Large Telescope, or the E-ELT. I know, imaginative name, huh? Anyway, it’s not all that different … Continue reading

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The Lunar Eclipse

Have you ever heard of the blood moon? It’s named for its red appearance. Sometimes it’s even mistaken for Mars, as in the case of the “Mars hoax” back in 2002. It was claimed then that Mars would look as … Continue reading

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What Matters?

I really hated to leave you guys hanging on the posts for last week. So I decided to offer you a little treat—the chemistry post that I wasn’t able to finish on time for its intended date on February 15th. The simplest approach to chemistry … Continue reading

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