Sentences with phrase «nebula is a faint»

Not exact matches

Located 1,350 light - years away, the Orion Nebula is a relatively nearby laboratory for studying the star formation process across a wide range, from opulent giant stars to diminutive red dwarf stars and elusive, faint brown dwarfs.

The multitude of fainter water - rich, free - floating brown dwarfs and planets within the Orion nebula are all new discoveries.

The most likely explanations involve radiation or outflows from an active galactic nucleus (AGN) that is strongly obscured by dust so that only a faint source can be seen associated with the nebula.

«It's extremely bright, and it's probably larger than the Slug Nebula, but there's nothing else visible except the faint smudge of a galaxy.

4 Long before we had the Hubble Telescope, astronomers were puzzled about the nature of nebulae: odd, faint stars that sometimes looked like spirals.

Barnard's Loop is a huge semicircular nebula that almost surrounds the entire constellation - this nebula is very faint though and it is only easily detected on long - exposure photographs.

While the bright part of the nebula is of about 65 arc seconds in diameter (more accurately, the «cork» is about 42x87», the «wings» 157x87»), this nebula is surrounded by a faint halo covering a region of 290 arc seconds in diameter (Millikan, 1974); this material was probably ejected in the form of stellar winds from the central star when it was still in the Red Giant phase of evolution.

Planetary Nebula Messier 76 (M76, NGC 650/651) is one of the faintest Messier Objects, and one of only four planetary nebulae in Messier's catalog, situated in the Eastern part of constellation Perseus.

The glowing apparition is known to amateur astronomers as the «Little Ghost Nebula,» because it appears as a small, ghostly cloud surrounding the faint, dying central star.

There are many other (fainter) nebulae surrounding the Orion nebula and there are many stars forming in this region.

left - to - right in our image); this is similar to our view of another, fainter Messier planetary nebula, M76, which is called the Little Dumbbell.

IC 4701 is also a fairly large (but much fainter) emission nebula in this region.

This planetary nebula is certainly the most impressive object of its kind in the sky, as the angular diameter of the luminous body is nearly 6 arc minutes, with a faint halo extensing out to over 15», half the apparent diameter of the Moon (Millikan 1974).

(March 24, 1781) «Nebula in the great Bear [Ursa Major], near Beta: It is difficulat to see, reports M. Méchain, especially when one illuminates the micrometer wires: its light is faint, without a star.

To the left of the Eta Carinae nebula is a second much fainter (and possibly more distant) nebula around NGC 3503.

In the very neighborhood, to the north, there are also fainter reflection nebulae, partially reflecting the light of the Great Nebula.

Already under fairly good conditions, the nebula itself can be glimpsed with the naked eye as a faint nebulosity around this star.

Messier included the object in his catalogue with the following description: «Very faint nebula, discovered in Sagittarius; its center is brilliant & it contains no star, seen with an achromatic telescope of 3.5 feet [FL].