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Jaw-dropping NASA image reveals a dying star at the heart of the Helix Nebula — and it may have just murdered a planet
A new X-ray look at the mesmerizing Helix Nebula reveals an alleged planet killer: a white dwarf that might be the source of ...
Astronomy9y
The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109
A magnitude 10.2 star lies a bit more than 2″ east of the nebula. A big neighbor This week’s second large-telescope target is barred spiral galaxy NGC 3109 in the constellation Hydra the Water ...