October 17, 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...]