Phases of the Moon, as seen looking southward from the northern hemisphere. Credit: Wikipedia / Orion8

Crescent Moon Crescendo And Fall Finale

Look to the west-southwest at dusk tonight and you’ll see a thin crescent moon tilted over on its side. Its shape reminds me of Mona Lisa’s sweet and slightly mischievous smile. While it might seem strange to associate such a delicate-appearing object with a crescendo, a gradual increase in loudness in a piece of music,…
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Over 700 miles across, Mare Imbrium (Sea of Rains) is the largest lunar sea. Its roughly circular shape is defined by a series of mountains ranges just coming into good view tonight and the next few nights. Credit: Joseph Brimacombe

Share An Evening With The First Quarter Moon

I’m a tireless moon booster. There are just so many ways of enjoying our only natural satellite. Whether walking by its light, trying to discern a rabbit, woman or man in that shiny ball or roving across its crater-riddled regolith (lunar soil) with binoculars and telescope, the moon is multi-dimensional. Tonight it’s at half or first quarter phase,…
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The waning gibbous moon way up high in a deep blue sky around 7 this morning. Credit: Bob King

Good Day, Moon

When my kids were little we often read the bedtime story Goodnight Moon about a child saying goodnight to everything in the room. It usually helped to settle and ready them for a night’s sleep. The moon is usually a creature of the night, but at certain times of year, it also stalks the day. When stepping…
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Mars And Moon Are Mates Tonight / Binocular Comet Eludes The Lion’s Bite

As twilight gives way to darkness tonight, look up at the waxing moon in the south. Just above it you’ll see the planet Mars. If you’re game, whip out a pair of binoculars and see if you can spot Mars before sunset using the moon as guide. It’s been two months now since Mars made…
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Lunar Secrets? How To See The Moon’s Hidden Seas Tonight

If everything revolved in perfect circles and all planet and moon orbits were concentric, the solar system wouldn’t be nearly as much fun. Consider the moon. Orbiting in a circle rather than ellipse,its distance from Earth would never vary. There’d be no “super moons” or full moons at the time the moon is closest to…
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