by Zachary Singer
IntroWe start the first month of the New Year off with a splash—a total lunar eclipse on the night of January 20th. Along with that, we have planets and two targets in Eridanus—one is an important multiple-star system, and the other a striking planetary nebula.… Continue reading.
Join us on January 18th, 2019, at 7:30 PM, for our monthly General Meeting. We’ll have a call for Executive Board Nominations, and a presentation by Dr. Graham Lau on “THE CRAZIEST CREATURES ON EARTH: What the world’s wackiest organisms can tell us about life in the cosmos.”
by Don Lynn
Phobos Grooves ExplainedSince the first close-up images were taken of the Martian moon Phobos decades ago, scientists have argued about why there are long grooves on its surface. Leading theories were that the moon cracked from an impact or from tidal forces.… Continue reading.
Happy New Year, and welcome to the new home of the Denver Observer, the newsletter for the Denver Astronomical Society. This page is just getting started, but the trickle of posts (or “articles,” if you want to kick it old-school) will soon become a steady stream, and you’ll find the same content here that you used to see in the Observer’s PDF and printed versions.… Continue reading.
By Ron Hranac
You may recall that we hit a major membership milestone in 2017, passing the 500 mark for the first time ever. As of December 26, 2018, the count was a record 563, up from 502 at the same time in 2017, 457 at the end of 2016, 428 in 2015 and the high 300s in 2014.… Continue reading.