Image: X-ray clues reveal a star that may have destroyed a planet
This image of the Helix Nebula, released on March 4, 2025, shows a potentially destructive white dwarf at the nebula's center ...
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Bubble Nebula: Spanning 7 light-years across, and about one-and-a-half times the distance from our sun to its nearest stellar neighbor, Alpha Centauri, the Bubble Nebula ...
Helix Nebula: This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula ...