A creepy gaze at the stars weaving dust nets
Interstellar death dramas can sometimes seem odd. This photo of old red giant star CW Leonis looks like it came straight out of a Halloween story. The star appears to be trapped in a soft orange web that wraps around it. Rays of light shine through the dust like sunlight on a partially overcast day. When fuel runs out, the star “calls out” a soot carbon shell that escapes into space. Carbon was cooked as waste from fusion in the star’s core. Anyone with a fireplace knows that soot is a nuisance. But the carbon released into space provides the raw material for the formation of future stars, planets, and possibly life. Complex biological molecules on Earth are made up of carbon atoms bonded to other common elements.
This is a time-lapse image of the aging red giant CW Leonis, taken on three dates: 2001, 2011 and 2016. Stars are buried in a web of dust that surrounds them. This is actually a shell of carbon dust emitted by stars. It changes shape as it expands into space.
“>Hubble Space Telescope exposure. Bright spotlights scatter from the star’s surface through dust. These rays change direction during different days when the Hubble image was taken. Credits: Animation: ESA/Hubble,
“>screw, STScI, Acknowledgments: Toshiya Ueta (University of Denver), Hyo-Sun Kim (KASI), M. Zamani
Hubble celebrates Halloween with a dying shining star.
Hypnotic Vortex? Shall we look into the witch’s cauldron? A giant cosmic web?
In fact, this is a picture of the red giant CW Leonis as captured by NASA’s Hubble Space Telescope. It’s time to celebrate Halloween with some creepy celestial sights.
Orange-red “spiders” are dust clouds of soot carbon that engulf dying stars. Generated from the outer layer of CW Leonis, thrown into the black ink void. The carbon burned by fusion inside the star provides a carbon-rich atmosphere. Explosing carbon back into space provides the raw material for future star and planet formation. All known life on Earth is carbon-based.
“>Corn. Complex biological molecules are made up of carbon atoms bonded to other common elements in the universe.
CW Leonis is 400 light-years from Earth and is the closest carbon star. This gives astronomers an opportunity to understand the interaction between a star and its turbulent atmosphere. The complex internal structures of shells and arcs can be formed by the star’s magnetic field. Detailed Hubble observations of CW Leonis over the past two decades also show filaments of emitted matter stretching around the star.
One of the most interesting features of the star is the bright beam emitted by CW Leonis. They changed in brightness over a period of 15 years. Astronomically, it is a very short period. Astronomers speculate that cracks in the dust covering CW Leonis could allow rays of starlight to pass through the dust and illuminate them like searchlight signals across overcast skies. However, the exact reason for the dramatic change in brightness has not yet been explained.
The star lights up when the external pressure of the blast furnace in the core is balanced with gravitational crushing. When a star runs out of hydrogen fuel, the constant gravitational pull causes the star to begin to collapse. When the core contracts, the casing
“>Plasma The periphery of the nucleus becomes hot enough to initiate hydrogen fusion, giving the star a second chance at life. It produces enough heat to dramatically expand the star’s outer layers and expand into a bulging red giant.
NASA’s Hubble Space Telescope has discovered many creepy objects in space. CW Leonis is the latest version. Source: NASA’s Goddard Space Flight Center; Main Producer: Paul Morris
CW Leonis has a reddish-orange color due to its relatively low surface temperature of 2,300 degrees Celsius.
“>NS. However, the green light emitted by the star shines in invisible mid-infrared wavelengths. Green was added to the infrared image for better analysis as color contrast in the absence of natural color.
The Hubble Space Telescope is an international collaboration project between NASA and the European Space Agency (ESA). The telescope is operated by NASA’s Goddard Space Flight Center in Greenbelt, Maryland. The Space Telescope Science Institute (STScI) in Baltimore, Maryland, conducts Hubble science work. STScI is operated for NASA by a consortium of Astronomy Research Universities in Washington, DC.