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In 2013, an astrophotographer in France captured an amazing photo of the moon at the precise instant of new moon.
As we approach another new moon, astronomer Guy Ottewell shares his profound understanding of lunar cycles and the coming total solar eclipse.
EarthSky community member Tom Wildoner explains the term “conjunction” in astronomy and provides an illustration.
Alphecca. Gemma. Alpha Coronae Borealis or simply Alpha Cor Bor. They’re all names for one star – the brightest star in the constellation Northern Crown.
On June 21, 2017, at around 15:00 UTC, the sun moves out of the constellation Taurus and into the constellation Gemini the Twins.
It’s that beautiful time of year again in the Northern Hemisphere, when the June solstice – your signal to celebrate summer – is nearly upon us.
On the June solstice, the sun sets at the same time in New York City and St. Augustine, Florida. But New York has an hour more of daylight. How’s that happen?
Here’s a natural phenomenon you might never have imagined. That is, the sun actually sets more slowly around the time of a solstice.
It’s a symbol for constancy, but, if you took its picture, you’d find that the North Star makes its own little circle around the sky’s north pole every day.
And, more to the point, are any asteroids that might be hidden in the Taurid meteor stream potentially hazardous to Earth?
Find the Teapot, and the galaxy’s center
Hubble sees Phobos orbiting Mars