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monoceros - the unicorn constellation
| Meaning: | Unicorn | | Pronunciation: | mon oss' sir us | Abbreviation: | Mon, Mono | Genitive: | Monocerotis (mon awe sir awe' tiss) | Number: | 55 | Size: | 481.57 square degrees (1.167% of the sky) | 
• Monoceros is usually associated with the unicorn, but the constellation is itself "modern." • Monoceros boasts the two most massive stars yet discovered. The two blue-giants are estimated to be some 55 times the size of the sun, and they revolve around each other. Together they are known as Plaskett's Star. • This constellation first appeared in 1613, on a celestial globe designed by the Dutch theologian Petrus Plancius. • Jakob Bartsch, a German mathematician, brought the constellation into general use on his star charts in 1624 under the name "Unicornu." • Monoceros is on the celestial equator between Orion and Hydra
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