Thank you for noticing, Chris - and for all your collective thumbs up! The art was originally done for Astronomy magazine a few years ago, for their first Milky Way special issue. Discover is reusing the art (I so love reuse!). Astronomy is too, having just put out a new Milky Way special. You can learn more and order here: http://www.astronomy.com/issues/2018/the-milky-way-inside-and-out
FYI, Scientific American commissioned a pair of graphics for its August issue - the topic is the galaxy’s dark matter halo - so you can keep your eyes open for that too.
While we are noting great illustrators, I spotted a Lynette Cook illustration in my most recent Discover --an image of our galaxy entitled Milky Way: Embraced in Spiral Arms, in a special issue about Everything Worth Knowing. Congrats Lynette! Whenever I see stars I look for your credit line!Chris
>^..^< Chris Gralapp, MA, CMI, FAMI Medical/Scientific Illustration
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