As efforts got underway Tuesday to retrieve a first sample of the highly radioactive debris …
Read More »"Once-in-a-lifetime" cosmic explosion is likely this summer, NASA says. Heres what to know.
A rare eruption of light from a dead star will likely be visible to people on Earth this summer in a fleeting but potentially stark celestial display that scientists are calling “a once-in-a-lifetime event.” The technical term for the impending cosmic explosion is nova, which happens when a white dwarf lights up suddenly and often strikingly in the night sky. …
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