Washington: A mysterious X-ray signal from the Helix Nebula has puzzled scientists for over 40 years. Now, new research suggests that a white dwarf known as the dense core of a dead star may have ...

The mysterious X-rays could be the by-product of that annihilation. The Helix Nebula is an astounding ring of glowing gas with the star at its center. It was a star much like the Sun, but when it ...

The Helix Nebula, also known as Caldwell 63, is 650 light-years from Earth, according to NASA. It's the remains of a dying star, which is gradually shedding its outer gas layers into the ...

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Recent research has uncovered what appears to be the grizzly death of an exoplanet in the nearby Helix Nebula, which seems to have been devoured by a dying star. Researchers have been detecting X ...

The white dwarf is in the center of a planetary nebula depicted by the blue gas in the background. The planet is part of a planetary system ... a strange X-ray signal from a dying star might be ...

Animated deep red nebula background with sparkling red particles scattered throughout. Shining particles create a cosmic, ethereal atmosphere. Ideal for space themes, fantasy visuals, or abstract ...

At the heart of the Helix Nebula, a dying star may have destroyed a neighboring planet ... The white dwarf is at the center of a planetary nebula illustrated by the blue gas in the background. The ...

Made famous in 1995 by NASA's Hubble Space Telescope, the Pillars of Creation in the heart of the Eagle Nebula have captured imaginations worldwide with their arresting, ethereal beauty. Now, NASA has ...

The Flame Nebula, located about 1,400 light-years away from Earth, is a hotbed of star formation less than 1 million years old. Within the Flame Nebula, there are objects so small that their cores ...