At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...
For over 40 years, astronomers have been puzzled by strange X-ray signals from the Helix Nebula’s white dwarf. Now, they may ...
A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know ...
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