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Astro Bob

October 13, 2018
This is arguably the most famous picture taken by Apollo 8. It became iconic and has been credited with starting the environmental movement. Two of the craters seen in this photo have just been named by the Working Group for Planetary System Nomenclature (WGPSN) of the International Astronomical Union. (Photo source: NASA)
ASTRO BOB: New lunar craters named after iconic photo
October 13, 2018 - 1:00pm
March 24, 2018
Starting at the handle of the Big Dipper, slide down to find Arcturus. Connect it with Spica and Denebola to make the Spring Triangle. The brightest stars of Bootes and one of Corona Borealis outline a distinctive “Y” in the eastern sky. (Stellarium with additions by Bob King)
Astro Bob: See the Spring Triangle
March 24, 2018 - 6:52am
March 2, 2018
You probably won’t need much help finding Sirius, but just in case, you can always use Orion’s Belt to point you to it. (Photo source: Stellarium)
See Sirius, brightest and most 'colorful' star in the sky
March 2, 2018 - 3:12pm
October 1, 2017
This artist’s impression shows the binary asteroid 288P, located in the main asteroid belt between the planets Mars and Jupiter. The object is unique as it is a binary asteroid which also behaves like a comet.
ASTROBOB: Comet or asteroid? Hubble discovers unique solar system object
October 1, 2017 - 9:30am