Categories: Astronomy

Beautiful Cosmic Barbeque Pit

A new infrared image from NASA's Wide-field Infrared Survey Explorer, or WISE, shows a cosmic barbeque pit, full of PAHS. Image credit: NASA/JPL-Caltech/UCLA

NASA’s Wide-field Infrared Survey Explorer, or WISE has been a busy spacecraft since its launch on Dec. 14, 2009. It has found asteroids and comets, and now has found a cosmic barbeque pit. Well, not really, but the green material in the cloud of gas and dust surrounding the Berkeley 59 cluster is from heated polycyclic aromatic hydrocarbons, (PAHs) molecules that can be found on Earth in barbecue pits, exhaust pipes and other places where combustion has occurred. The “coals,” or the glowing red is warm dust heated by hot young stars within the nebula.

Red sources within the green nebula indicate a second generation of stars forming at the surface of the natal cloud, possibly as a consequence of heating and compression from the younger stars. A supernova remnant associated with this region, called NGC 7822, indicates that a massive star has already exploded, blowing the cloud open in a “champagne flow” and leaving behind this floral remnant. Blue dots sprinkled throughout are foreground stars in our Milky Way galaxy.

Berkeley 59 and NGC 7822 are located in the constellation of Cepheus at a distance of about 3,300 light-years from Earth.

PAHs are interesting because they are a candidate molecule linked to the earliest forms of life. They can can be found throughout the interstellar medium.

More info on WISE, and additional WISE images.

Source: JPL

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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