EarthSky Tonight—September 13, Waxing moon near Scorpion’s Heart
The Scorpion is one of the few constellations that looks like the creature for which it was named.
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The Scorpion is one of the few constellations that looks like the creature for which it was named.
When the moon drops out of the evening sky in late August and the first week in September, you can use the stinger stars to star-hop to two beautiful deep-sky…
In ancient Chinese thought, the summer season was associated with the direction south, with the element fire, and with the color red. No wonder, then, that this reddish star in…
Antares, the brightest star in the constellation Scorpius. Antares is always up on summer evenings. It is a bright red star known for twinkling rapidly.
Even today, the Staff of Asclepius – the symbol of the World Heath Organization – pays tribute to the constellation Ophiuchus the Serpent Bearer.
The moon is a chunk of rock, shining with sunlight that reflects from its surface. It can appear to cover Antares only because the moon is so close to us…
Before moonlight floods the nighttime at late night tonight, see if you can spot the constellation Libra’s two visible yet modestly bright stars: Zubenelgenubi and Zubeneschamali.
The ecliptic on this sky chart represents the Earth’s orbital plane projected onto the stellar sphere. Tonight’s moon and three key stars – Antares, Zubenelgenubi and Spica – enable you…
So why is Antares red? Because the outer layer of its atmosphere – its “surface” for lack of a better term for a giant ball of gas – is cooler…
Scorpius – which now rises in the south-southeastern sky at early evening, is the constellation of the Scorpion. Individually, the Crown stars are Graffias, Dschubba, and Pi Scorpii.