December 18, 2017

Astro-Event(s): Lunar/Planetary Action & Hunting Triton.

Mars, Saturn & Spica the night of MSL’s Landing. (Photo by Author).

We’re swiftly losing the evening planetary action this month, as Jupiter, Mercury and Venus occupy the dawn skies and Saturn and Mars slide ever lower into the dusk. It’s interesting to watch as Mars appears to “pass” the Spica & Saturn pairing in the constellation Virgo as its orbital motion struggles to keep up with Earth. [Read more...]

Astro-Challenge: Spotting Triton.

Triton as seen from Voyager 2. (Credit: NASA/JPL).

This week’s Astro-Challenge is definitely for the “been there, done that” crowd, a hunt that will put that gia-normous light bucket you’ve got sitting in your backyard to good use. August 22nd, the planet Neptune reaches opposition. And yes, we know you’ve spotted the grey-blue world at magnitude +7.9 with no problem, but have you ever seen its elusive moon, Triton? Now is a good time to try and check this fascinating moon off of your “life list.”

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