star-forming nebula in the constellation Orion is an example of emission nebula. It is home to a star cluster defined by four massive stars known as the Trapezium. The Helix Nebula is an example of a ...
In this image from NASA's Spitzer Space Telescope, "cometary knots" on the Helix Nebula show blue-green heads caused by excitation of their molecular material from shocks or ultraviolet radiation.
Helix Nebula’s X-ray emissions linked to planetary destruction White dwarf WD 2226-210 may be accreting planetary debris Researchers suggest a Jupiter-like planet was torn apart ...
The Helix Nebula. Credit: X-ray: NASA/CXC/SAO/Univ Mexico/S. Estrada-Dorado et al.; Ultraviolet: NASA/JPL; Optical: NASA/ESA/STScI (M. Meixner)/NRAO (T.A. Rector ...
Astronomers may finally have settled the question of what is causing highly energetic X-rays from WD 2226-210, a white dwarf star located at the center of the Helix Nebula. The Helix Nebula is a ...
After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The old star might have destroyed a nearby planet. Dating back to 1980, X ...
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Carina Nebula | Hubble Images 4KSuze Orman has surprisingly simple Social Security, retirement advice 14 Dead As Tornado Outbreak Slams Missouri, Illinois, Arkansas and Mississippi Movie Mistakes That Were Too Good To Cut ...
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