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Live Science on MSNJaw-dropping NASA image reveals a dying star at the heart of the Helix Nebula — and it may have just murdered a planetA new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of ...
Scientists have been receiving X-ray signals from the Helix Nebula for decades, but now they believe it may hide a horrifying ...
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