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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X-ray Clues Reveal Destroyed Planet
In about 5 billion years, our Sun will run out of fuel and expand, possibly engulfing Earth. These end stages of a star's life can be utterly ...
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Planets of Milky Way's most common stars are less habitable than thought, dead NASA telescope reveals
A team of scientists reached this conclusion by analyzing data collected by the now-decommissioned NASA mission Galaxy Evolution Explorer (GALEX). Launched in April 2003, GALEX scanned the ...
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NGC 7293, better known as the Helix nebula, displays its ultraviolet glow courtesy of NASA's Galaxy Evolution Explorer (GALEX).
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.