Poster Print of Cometary Knots Around A Dying Star
These gigantic, tadpole-shaped objects are probably the result of a dying star's last gasps. Dubbed "cometary knots" because their glowing heads and gossamer tails resemble comets, the gaseous objects probably were formed during a star's final stages of life. Hubble astronomer C. Robert O'Dell and graduate student Kerry P. Handron of Rice University in Houston, Texas discovered thousands of these knots with the Hubble Space Telescope while exploring the Helix nebula, the closest planetary nebula to Earth at 450 light-years away in the constellation Aquarius. Although ground-based telescopes have revealed such objects, astronomers have never seen so many of them. The most visible knots all lie along the inner edge of the doomed star's ring, trillions of miles away from the star's nucleus. Although these gaseous knots appear small, they're actually huge. Each gaseous head is at least twice the size of our solar system; each tail stretches for 100 billion miles, about 1, 000 times the distance between the Earth and the Sun. Astronomers theorize that the doomed star spews hot, lower-density gas from its surface, which collides with cooler, higher-density gas that had been ejected 10, 000 years before. The crash fragments the smooth cloud surrounding the star into smaller, denser finger-like droplets, like dripping paint. This image was taken in August, 1994 with Hubble's Wide Field Planetary Camera 2. The red light depicts nitrogen emission ([NII] 6584A); green, hydrogen (H-alpha, 6563A); and blue, oxygen (5007A)
Media ID 635220
aquarius, cometary knots, constellation, helix nebula, hst, hubble space telescope, lightyear, wfpc, wide field planetary camera 2
A1 (84x59cm) Poster
Posters printed on superior archival paper. Available in 4 sizes, the thinner paper can offer more affordable wall art
check Overall Size 59.4cm x 84.1cm (23.4"x33.1")
check Fully covered by our Pixel Perfect Guarantee
check Made with high-grade materials
check Expert colour and quality finish
Our posters are printed on 200gsm semi-gloss poster paper. They are securely packaged, rolled and inserted into a strong mailing tube and shipped tracked.
This picture is available as a Framed Print, Photographic Print, Poster Print, Jigsaw Puzzle, Canvas Print, Metal Print, Photo Mug, Fine Art Print, Mounted Print, Glass Frame, Acrylic Blox, Classic Framed, Greeting Card, Cushion, Mouse Mat, Glass Place Mat, Glass Coaster, Digital Wallpaper
Watermarking does not appear on finished products
> Hubble Space Telescope
> Images Dated
> 7 Nov 2007
Full Art Print Range
Regular Photo Prints (ideal for framing) are sent within one working day and all other items in 3-5 working days.
Framed Print - Our contemporary Framed Prints are professionally made and ready to hang on your wall
Photographic Print - Our Photo Prints are printed on archival quality paper for vivid reproduction and are perfect for framing.
Poster Print - Posters printed on superior archival paper. Available in 4 sizes, the thinner paper can offer more affordable wall art.
Jigsaw Puzzle - Photo Puzzles are an ideal gift for any occasion
Canvas Print - Professionally made, ready to hang Canvas Prints are a great way to add colour, depth and texture to any space.
Metal Print - Make your photos come to life with Metal Prints! With durable metal and luxurious printing techniques, add a modern touch to your space.
Photo Mug - Enjoy your favourite drink from a custom printed gift mug. Our mugs are printed with your choice of image
Fine Art Print - The next best thing to owning the original artwork, with a soft textured natural surface, our fine art reproduction prints meet the standard of most critical museum curators.
Mounted Print - Photo prints supplied in custom cut card mount ready for framing
Glass Frame - Tempered Glass Mounts are ideal for wall display, plus the smaller sizes can also be used free-standing via an integral stand.
Acrylic Blox - Streamlined, one sided modern and attractive table top print
Classic Framed - Our original range of UK Framed Prints featuring a bevelled edge
Greeting Card - Personalised cards suitable for Birthday Cards, Wedding and Anniversary Cards, Graduation Cards, Thank You Cards and much more
Cushion - Accessorise your space with decorative, soft cushions
Mouse Mat - Archive quality photographic print in a durable wipe clean mouse mat with non slip backing. Works with all computer mice.
Glass Place Mat - Set of 4 Glass Place Mats. Elegant polished safety glass and heat resistant. Matching Coasters are also available
Glass Coaster - Individual Glass Coaster. Elegant polished safety toughened glass and heat resistant, matching Place Mats are also available
Digital Wallpaper - Download artwork as Desktop Wallpaper