Tag Archives: electromagnetic spectrum

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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Radio Astronomy

Ever seen one of these before? Yeah, it’s a bit bigger than your average radio antenna. That’s because its job isn’t to direct radio signals to your house. It’s a radio telescope, and its job is to collect as many radio … Continue reading

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Info in a Rainbow

What do you see in this image? If you’re from a larger city and haven’t had the opportunity to venture into a place like the desert, you might not know what you’re looking at. That’s the Milky Way, our name … Continue reading

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Telescope Imaging Systems

Have you ever seen an image like this? Okay, maybe you have…online. What with the spread of the internet these days, I’m guessing that at one point you have seen something like this on a page of image search results. … 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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The Spectrum of Light

Does this look familiar? People think of rainbows as a symbol of happiness and fortune. There are even myths that leprechauns hide gold at the end of a rainbow. That’s more of a tease than good fortune, if you ask … Continue reading

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