One April Comet and a Manned Moon Flight Emergency Comet Bennett. Photo Credit: Akira Fujii/David Malin Images Two memorable celestial events occurred simultaneously 50 years ago this month. On the ...
Venus Lights Up Evening Sky Photo Credit: NASA. Venus appears featureless in normal, visible light. Venus is dominating the evening sky high in the west after sunset. Dazzling Venus, the ...
Daytime Moon to Eclipse Mars This month the continental United States will be treated to an eclipse. Is it a lunar eclipse or a solar eclipse? Neither one. On the ...
The Story of Asteroids We take knowledge of the existence of asteroids (a.k.a. minor planets) for granted in our modern world. Ranging in size from boulders to hundreds of miles ...
Mercury to Transit Sun on Vets’ Day Three bright planets are visible in the evening sky in early November. But first, let’s talk about a fourth planet, Mercury, and a ...
Outer Gas Giants We know from last month that this summer was a splendid time for convenient evening viewing of the two largest gas planets, Jupiter and Saturn. Likewise, this ...
Summer of Gas Giants The evening twilight sky is where you will spot with the unaided eye the two largest planets in our solar system – Jupiter and Saturn – ...
Golden Anniversary of First Moon Landing Photo credit: NASA Fifty years ago this month the United States was preparing to send the first humans to walk on the surface of ...
One hundred years ago the largest telescope in the world was the historic 100-inch-diameter (2.5 meter) John D. Hooker reflecting telescope at Mt. Wilson Observatory, just north of the greater ...
Moon Landing Dress Rehearsal 50 Years Ago Image courtesy NASA In space history 50 years ago, the U.S. was preparing one last 3-man Apollo flight before the actual landing of ...
This Kind of Telescope Kept Trains Running The sky is one big giant calendar clock and the motion and rotation of its orbs the hands. The changes in the apparent ...
Mercury Best Placed for Evening Viewing in 2019 February offers the best evening sky observing opportunity this year for the innermost planet, Mercury. More about that later because first I ...
