Talk:Asterism (astronomy)

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The Big Dipper is also part of an existing constellation, Ursa Major. Why can't Orion's Belt be considered a separate asterism? Bryan Derksen

The Orion's belt is just part of Orion -he has a belt, a sword, a bow, couple of arms. The Big Dipper is a reinterpretation of the star pattern in Ursa Major - a dipper is not part of a bear. --rmhermen

In the constellations, Orion is pictured has having a belt around his waist, but the Bear is not pictured as having a dipper in its rump. Similarly, Aquarius does have an urn, but Sagittarius doesn't have a teapot.

B00P 05:58, 1 January 2006 (UTC)[reply]

Spelled Triangle Wrong

Hey guys, just dropping in to say that I fixed someone's spelling of "triangle" in the article. The word "triangle" is now properly spelled. No need to thank me.

~The Speller —Preceding unsigned comment added by 129.116.15.5 (talk) 02:52, 14 February 2011 (UTC)[reply]

Ptolemy

I have changed the years of birth and death of Ptolemy, in order to make them match with the article about the astronomer. I'm actually not sure of the correct figures (I guess nobody is, for the article mentions "circa"), but I found literature with more than one set of dates. If someone has a more trustworthy reference with different years, please make the correction in both articles. Claudio M Souza (talk) 22:07, 14 November 2011 (UTC)[reply]

Bowie Asterism

An asterism need not be visible to the naked eye to be notable. Furthermore, the MIRA Public Observatory prefers that usage vis-à-vis constellation. kencf0618 (talk) 23:17, 20 January 2016 (UTC)[reply]

True, the "Coathanger" is an example of a faint asterism. But what all notable asterisms have in common is that their stars are of comparable brightness and that is where the "Bowie asterism" fails. The brightest star (Spica) is nearly a hundred times brighter as the faintest star (SAO 204132). AstroLynx (talk) 09:56, 21 January 2016 (UTC)[reply]

As per the Coathanger, we'll just have to leave this hanging awaiting further developments, if any. kencf0618 (talk)

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