open star clusters
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Globular Clusters: The Untold Story
Meet Messier 13: my sentimental favorite globular cluster. For more than a decade now, one of my favorite things has been to set up my telescopes at astronomy outreach events and show people the night sky. I have two telescopes…
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Exploring the Milky Way’s Spiral Arms
The Milky Way — our home galaxy — is a spiral galaxy, a classification I often describe as pinwheel-shaped. The main difference between a spiral galaxy’s shape and a pinwheel’s shape is that spiral galaxies, like the Milky Way, only…
