Friday, 22 February, 2019

Category: Astronomy

The Hydra Constellation

The Hydra Constellation

Hydra is the largest of the 88 modern constellations, measuring 1303 square degrees. Also one of the longest at over 100 degrees, its southern end abuts Libra and Centaurus, and its northern end borders Cancer. It has a long history, having been included among the 48 constellations listed by the 2nd-century astronomer Ptolemy. It is commonly represented

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The Horologium Constellation

The Horologium Constellation

Horologium is a faint constellation in the southern sky. It was devised by French astronomer Nicolas Louis de Lacaille in 1752, and it remains one of the 88 modern constellations. He first described the constellation in French as l’Horloge à pendule & à secondes (clock with pendulum and seconds hand) in 1752, after he had observed and catalogued almost 10,000 southern

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The Hercules Constellation

The Hercules Constellation

Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles. Hercules was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations today. It is the fifth largest of the modern constellations. It is bordered by Draco to the north; Boötes, Corona Borealis, and Serpens Caput to the east; Ophiuchus to the south; Aquila to

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Preparing For The Asteroid Apocalypse

Preparing For The Asteroid Apocalypse

Among Earth’s natural disasters—hurricanes, floods, earthquakes—the one humans probably ponder least is asteroids, huge objects zipping through our solar system at ludicrous speeds. Federal officials call an asteroid or comet collision “low probability, but high consequence,” NASA-speak for it will probably never happen, but if it does we’re toast. With that in mind, the U.S. and

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The Grus Constellation

The Grus Constellation

Grus is a constellation in the southern sky. Its name is Latin for the crane. It is one of twelve constellations conceived by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. Grus first appeared on a 35-cm diameter celestial globe published in 1598 in Amsterdam by Plancius and Jodocus Hondius and was depicted in Johann Bayer’s star atlas Uranometria of 1603. French

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The Gemini Constellation

The Gemini Constellation

Gemini is one of the constellations of the zodiac. It was one of the 48 constellations described by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations today. Its name is Latin for “twins,” and it is associated with the twins Castor and Pollux in Greek mythology. Gemini lies between Taurus to the west and Cancer to the

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The Fornax Constellation

The Fornax Constellation

Fornax is a constellation in the southern sky, partly ringed by the celestial river Eridanus. Its name is Latin for a furnace. It was named by French astronomer Nicolas Louis de Lacaille in 1756. Fornax is one of the 88 modern constellations. The constellation Eridanus borders Fornax to the east, north and south, while Cetus, Sculptor and Phoenix gird

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The Equuleus Constellation

The Equuleus Constellation

Equuleus is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one of the 88 modern constellations. Its name is Latin for ‘little horse,’ a foal. It was It is the second smallest of the modern constellations (after Crux), spanning only 72 square degrees. It is also very faint, having no

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The Dorado Constellation

The Dorado Constellation

Dorado is a constellation in the southern sky. It was named in the late 16th century and is now one of the 88 modern constellations. Its name refers to the dolphinfish (Coryphaena hippurus), which is known as dorado in Portuguese, although it has also been depicted as a swordfish. Dorado contains most of the Large Magellanic Cloud, the remainder being

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