Get Lost In The Jovian Triangle / Moon Bricks

I stepped outside late last night and saw a crisp triangle in the stars with corners formed by Jupiter, Spica and Arcturus. The geometry in math books may be confusing to some, but everyone can understand triangles of stars and planets in the night sky. This one is very close to a right triangle, so…
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Salvador Dali Would Love These Constellations

Yesterday we dipped into the deep past, hungering to know more about the first generation of suns that formed after the Big Bang. Today we look into the future at what the sky will look like thousands of years from now, when the cumulative motion of the stars will render many of the familiar constellations…
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Welcome Arcturus!

I really shouldn’t be surprised anymore. But I always am when I see the fiery bright star Arcturus appear in the east on midwinter evenings. Surprised because Arcturus is more closely associated with spring, especially the month of June, when it sails high in the southern sky when sultry twilight finally gives way to night.…
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Meet The Full Pink Mini-Moon

Welcome to a special full moon week. Instead of a bigger-than-usual “supermoon”, tomorrow night’s full moon will be tiny. Relatively speaking. We get a “mini-moon” whenever the full moon occurs within a day or two of lunar apogee, the point in the moon’s orbit when it’s farthest from Earth. A supermoon, occurs when the full moon lies…
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Arcturus Flashes On April Nights

The western sky belongs the Mercury and the crescent moon this week, but several people have asked recently about “that bright star low in the eastern sky.”  It’s Arcturus! This flashing orange gem is the fourth brightest star in the nighttime sky and the brightest star north of the celestial equator. The celestial equator is an…
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