News tagged with planetary nebula

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New molecules around old stars

(Phys.org) —Using ESA's Herschel space observatory, astronomers have discovered that a molecule vital for creating water exists in the burning embers of dying Sun-like stars.

Jun 17, 2014
4.7 / 5 (15) 4

Chance meeting creates celestial diamond ring

Astronomers using ESO's Very Large Telescope in Chile have captured this eye-catching image of planetary nebula PN A66 33—usually known as Abell 33. Created when an aging star blew off its outer layers, ...

Apr 09, 2014
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Sakurai's Object: Stellar evolution in real time

(Phys.org) —Stellar lifetimes are measured in billions of years, so changes in their appearance rarely take place on a human timescale. Thus an opportunity to observe a star passing from one stage of life ...

Apr 02, 2014
4.7 / 5 (18) 0

Image: Hubble nets an interstellar butterfly

(Phys.org) —The "butterfly effect" says the flap of a butterfly's wings may lead to a developing hurricane on the other side of the world. But what happens when a butterfly flaps its wings in the depths ...

Mar 21, 2014
4.7 / 5 (7) 0

How stellar death can lead to twin celestial jets

(Phys.org) —Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae – colorful, glowing clouds of dust and gas. In recent ...

Feb 12, 2014
4.5 / 5 (8) 0 | with audio podcast

Image: The Cat's Eye Nebula (NGC 6543)

Three thousand light years from Earth, the Cat's Eye Nebula (NGC 6543) is a sight that draws in the human eye. In this image from the NASA/ESA Hubble Space Telescope, numerous bubbles are visible – shapes ...

Jan 07, 2014
5 / 5 (6) 0

A ghostly trio from Spitzer Space Telescope

(Phys.org) —In the spirit of Halloween, scientists are releasing a trio of stellar ghosts caught in infrared light by NASA's Spitzer Space Telescope. All three spooky structures, called planetary nebulas, ...

Oct 29, 2013
5 / 5 (7) 0 | with audio podcast

Moon is younger than first thought

Improved age data for the Moon suggests that it is much younger than previously believed according to scientists presenting at a Royal Society discussion meeting entitled Origins of the Moon this week (23 ...

Sep 25, 2013
4.4 / 5 (17) 14 | with audio podcast

Hubble eyes a smoldering star

(Phys.org) —This new image, snapped by NASA/ESA Hubble Space Telescope, shows the star HD 184738, also known as Campbell's hydrogen star. It is surrounded by plumes of reddish gas—the fiery red and orange ...

Sep 23, 2013
5 / 5 (7) 0 | with audio podcast

Bizarre alignment of planetary nebulae

Astronomers have used the NASA/ESA Hubble Space Telescope and ESO's New Technology Telescope to explore more than 100 planetary nebulae in the central bulge of our galaxy. They have found that butterfly-shaped ...

Sep 04, 2013
4.6 / 5 (22) 68 | with audio podcast

Free-floating planets may be born free

Tiny, round, cold clouds in space have all the right characteristics to form planets with no parent star. New observations, made with Chalmers University of Technology telescopes, show that not all free-floating ...

Aug 19, 2013
5 / 5 (21) 13 | with audio podcast