It Consists Of 11 Or More Expanding Spheres Of Gas.
The nebula is composed of. Planetary nebulae are like snowflakes: See the nasa press release for more info.
The Cat's Eye Nebula Is Actually A Planetary Nebula With A Star Inside Of It!
Taken by the wide field and planetary camera on board nasa/esa's. Its angular expansion rate is 3.457 miliarcseconds per year. This image from the hubble space telescope reveals the cat's eye nebula to be one of the most complex planetary nebulae known.
The Cat's Eye Nebula (Also Known As Ngc 6543 And Caldwell 6) Is A Planetary Nebula In The Northern Constellation Of Draco, Discovered By William Herschel On February 15, 1786.
It was one of the first planetary nebulae to be discovered. This image reveals new details of the cat’s eye nebula (catalogued as ngc 6543), one of the most complex planetary nebulae ever seen. Cat's eye nebula (ngc 6543) cats may have nine lives, but this star only has one and here it is caught in its death throes, causing this ejection of glowing gases into outer space over a thousand years ago.
One Problem That Scientist Face With Planetary Nebula Is Determining Their Distance From Earth.
It was first discovered in 1786. The more south you are, the less likely you are going to see it. This image from the hubble space telescope reveals the nebula to be one of the most complex planetary nebulae known.
We've Learned About The Planetary Nebula, And The Clownface Nebula.
The hst images seem to indicate that the central star is actually a binary system and that the nebula we see today is actually the result of at least two separate events. The nebula is sometimes also known as sunflower nebula or snail nebula; It was the first planetary nebula whose spectrum was investigated by the english amateur astronomer william huggins, demonstrating that planetary nebulae were gaseous and not stellar in nature.
