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VSCO is a photo editing and sharing app that's more artsy and low-pressure than Instagram, which has become a war for the most likes.

Rob Pettengill, Ph.D., is an engineer, astrophotographer, sidewalk astronomer, and volunteer astronomy educator from Austin, Texas. As a NASA JPL Solar System Ambassador, he gives astronomy and astrophotography talks to schools and clubs. His BadAstroPhotos.com website images and how-to content are free for non-commercial reuse to readers in 168 countries. In social media, his outreach is on Flickr, Facebook, Instagram, Cloudy Nights, and Quora, where he’s a “most read” astrophotography an...