The Nightly News
An Astronomy blog by Joe Bauman, Salt Lake City
Blog 70: A beautiful green comet
Joe Bauman
07
December
2018

More Posts

  1. Blog 72: Depth
    27 Dec, 2018
    Blog 72: Depth
    Sometime in the early-to-mid 1960s, when I was a teenager on the American missile base at Kwajalein, Marshall Islands, I snorkeled beyond the drop-off on the lagoon side; this is the descending slope where the water gets deeper the farther you swim from the reef. The sandy bottom tilts gradually until suddenly it plunges. Beyond that, the lagoon is too deep to see the bottom. Shimmering dim green shafts of sunlight sliced down all around me, reaching farther and farther into the depths, until
  2. Blog 71: Bennu
    17 Dec, 2018
    Blog 71: Bennu
    The OSIRIS-REx spacecraft arrived at the asteroid called Bennu on Dec. 3, and already has made scientific discoveries: Bennu has few craters, boulders litter the surface like chocolate in a chocolate chip cookie, and the asteroid shows signs of the presence of water at some time in the past. NASA’s ludicrously-named spacecraft -- the acronym stands for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer -- cruised past the asteroid, having traveling 1.2 billion
  3. Blog 69: Landing on Mars
    27 Nov, 2018
    Blog 69: Landing on Mars
    Around three dozen visitors were scattered throughout a University of Utah auditorium Monday witnessing first-hand one of NASA's greatest triumphs, the descent and landing of the InSight Mars probe. The program was hosted by the U.'s Department of Physics and Astronomy and its South Physics Observatory. Some sat with laptops or notebooks; some checked out displays about physics and space, which had been set up at the entrance and at the front of the auditorium; others stood chatting. The voice
  4. Blog 68: The Pleiades' 3,000 sisters
    17 Nov, 2018
    Blog 68: The Pleiades' 3,000 sisters
    The lovely open star cluster, the Pleiades, has been called the Seven Sisters since antiquity. But nobody sees seven stars in this showpiece of the late autumn and winter, not by unaided eyeball and certainly not by telescope. Like a tiny kite of bright points, in November the Pleiades are visible in the east after sunset and are easily seen until dawn. They lodge on the shoulder of the constellation Taurus the bull. Bruce McClure, in an article posted by EarthSky.org, says November is often