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What Are Constellations? #933307 11/02/20 02:44 PM
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Mona - Astronomy Online Content OP
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Some people have asked, so here are the basics about constellations.

Stories of gods and mortals, love and betrayal, monsters and heroes. They all adorn the night sky in the form of constellations. These star groups have also served as calendars, navigation aids and internationally defined areas of the celestial sphere.

What Are Constellations


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Re: What Are Constellations? [Re: Mona - Astronomy] #933331 11/06/20 10:19 PM
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The stars of Orion have been part of humanity's mythscape for thousands of years. Seven bright stars outline the hunter's body. One of them is a supergiant nearing the end of its life. Yet just visible to the unaided eye is a vast stellar nursery where the next generation of stars is forming.

Orion the Hunter

Orion is my favorite constellation. Do you have any favorites? Let us know.


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Re: What Are Constellations? [Re: Mona - Astronomy] #933339 11/08/20 03:26 PM
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The night sky is full of starry birds. Here is a selection, ranging from the majestic swan to the exotic birds of the southern skies: the peacock, bird of paradise and toucan. There is also an emu whose image appears not in the stars, but in the dark nebulae.

Heavenly Aviaries - Bird Constellations


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Re: What Are Constellations? [Re: Mona - Astronomy] #933350 11/10/20 07:24 AM
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Thanks for sharing this. They are magical and looking at them when I was a kid always amazed me.

Re: What Are Constellations? [Re: Mona - Astronomy] #933358 11/11/20 01:53 PM
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Seduction and supergiants, a beautiful blue and amber double star, vast explosions, a giant cloud that looks like North America. Where does myth end and astronomy begin? Here is a tour of some of the highlights of the constellation Cygnus the swan.

Cygnus the Swan

Cygnus contains the asterism called the Northern Cross, and these bright stars make the constellation visible even in many urban areas.


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Re: What Are Constellations? [Re: Mona - Astronomy] #933374 11/14/20 06:01 PM
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It's not surprising to find plenty of deep-sky objects in such a big constellation as Hydra. Its varied objects include the Ghost of Jupiter, beautiful globules that are over twice the age of the Sun, and a dramatic grand design spiral galaxy known for its titanic explosions.

Hydra the Water Snake – Deep Sky Objects


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Re: What Are Constellations? [Re: Mona - Astronomy] #933384 11/17/20 09:16 AM
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What links the biggest constellation in the sky with the flag of Brazil? Why is the star V Hydrae bright red? How did the hero Hercules vanquish a nine-headed monster?

Hydra the Water Snake – Myths and Stars


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