Guest Post: The Yin and Yang of the Visible and Invisible in Spiral Galaxies

Jayanne English, an astronomer with a visual arts background, outlines the process of making an illuminating image for the public from a rich set of research data. Exploring how galaxies change with time requires the study of how visible light and non-visible radiation are interconnected. With the Hubble Space Telescope (HST) we can map, often in... Continue Reading →

The Kaleidoscopic Crab

This image of the Crab Nebula from a recent Hubble press release packs a lot of information into a single picture. Five different wavelengths spanning nearly the entire breadth of the electromagnetic spectrum are present here. In this post, I'll deconstruct the image and look at how it was put together... but first, a little history... Continue Reading →

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