The stars aren’t fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn’t one before, and then it fades away in a matter of days or weeks. The ...
Any day now, it will appear as though one of the night sky’s constellations is exploding, an explosion big enough that it should be visible from Earth. T Coronae Borealis, nicknamed by astronomers as ...
A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. (NASA/Goddard Space Flight Center) A rare nova explosion will soon be visible in the ...
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