Tag Archives: atmosphere

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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