star cloud


Also found in: Dictionary.
Related to star cloud: Star clusters

star cloud

[′stär ‚klau̇d]
(astronomy)
An aggregation of thousands or of millions of stars spread over hundreds or thousands of light-years.
References in periodicals archive ?
The vast dust lanes and star clouds that spangle the Milky Way from Cygnus to Scorpius--and beyond, if you can get far enough south--are mostly too big to appreciate in all but the richest-field telescopes.
September's star clouds and diffuse nebulae Many patches of brighter naked-eye radiance shine along the so-called summer Milky Way.
This little constellation, though made of dim stars, harbors a chunk of Milky Way glow bright enough to be seen even through some light pollution: the Scutum Star Cloud. And in the midst of this (actually in front of it) is Mil, a magnificently rich open cluster that's a fine sight in any telescope.
Under dark skies, the naked eye beholds M24 (the Small Sagittarius Star Cloud) and, just upper right from the Teapot's spout, the Large Sagittarius Star Cloud looking like a puff of steam.
This small star cloud harbors almost no nebulosity, and it's not difficult to see with averted vision.
The Milky Way's brightest star cloud is now low in the south, just off the spout of the Teapot pattern of Sagittarius.
Do we go over a kind of waterfall when we reach the Scutum Star Cloud with its foreground telescopic "avalanche of stars" (or spate of stars) called the star cluster Messier 11?
Inside the Triangle is an extra-rich Milky Way section, the Cygnus Star Cloud. It runs from Deneb toward the south.
Here we see the star cloud NGC 6682, a pileup of remote suns beheld through this relatively clear window.
From the cross's center star to Albireo at the cross's foot stretches the Cygnus Star Cloud of the Milky Way.