Sentences with phrase «planetary nebulae known»

The Bug Nebula, NGC 6302, is one of the brightest and most extreme planetary nebulae known.
The ESO's Very Large Telescope (VLT) has captured a beautiful image of a planetary nebula known as NGC 7009, or the Saturn Nebula, as part of a wider study attempting to unravel the processes that give these vast cosmic clouds of dust and glowing gas their distinctive shape.

Not exact matches

That phase is called the proto - planetary nebula, and is so short that only a few of these objects are known.
As well as this black hole, Messier 15 is known to house a planetary nebula, Pease 1 [4]-- and it was the first globular known to contain one of these objects [5].
Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae — colourful, glowing clouds of dust and gas.
Astronomers were thrilled when they first saw the Hubble images of the planetary nebulas ngc 7027 and crl 2688, also known as the Egg nebula.
There are more than a thousand known planetary nebulae, and few have the simple, spherical shape that would be expected from a solitary star expelling its outer layers in dying gasps.
The final stages of life for a star like our Sun result in the star blowing its outer layers out into the surrounding space, forming objects known as planetary nebulae in a wide range of beautiful and striking shapes.
One type of such nebulae, known as bipolar planetary nebulae, create ghostly hourglass or butterfly shapes around their parent stars.
While astronomers now believe they know how stellar winds can sculpt a planetary nebula, much still escapes them.
When that happens, it briefly exhales an extraordinarily beautiful, complex puff of gas known as a planetary nebula.
This pretty planetary nebula is found in the constellation of Vela and is also known as the Eight - Burst nebula.
The stellar corpses — highly dense objects known as white dwarfs — were spotted inside a dense cloud of gas and dust known as a planetary nebula.
When the helium ignites, the outer layers of the star are blown off in huge clouds of gas and dust known as planetary nebulae.
This planetary nebula, known as NGC 650 or the Little Dumbbell, is about 2,500 light - years from Earth in the Perseus... view image
The gaseous clouds known as planetary nebulae are only superficially similar to other types of nebulae.
As for most planetary nebulae, the distance of M27 (and thus true dimension and intrinsic luminosity) is not very well known.
There are more than 1,000 known planetary nebulae in the Galaxy, but more might be overlooked because of obscuration in the Milky Way region.
The Hubble telescope has spied a giant celestial «eye,» known as planetary nebula NGC 6751.
Low - to medium - mass stars, such as the sun, will eventually swell up into red giants, eventually shedding their outer layers into a ring known as a planetary nebula (early observers thought the nebulae resembled planets such as Neptune and Uranus).
This planetary nebula, known as NGC 650 or the Little Dumbbell, is about 2,500 light - years from Earth in the Perseus constellation.
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