destroyed

Mystery solved! Odd X-ray signal was ‘death knell’ of planet destroyed by zombie star (video)

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A golden ring with a purple core against a black background punctuated by blue and white orbs

Using NASA’s Chandra observatory and Europe’s XMM-Newton spacecraft, astronomers may have solved a 45-year-old cold case. The team of cosmic homicide detectives determined a strange X-ray signal is the dying scream of a planet destroyed by a superdense stellar corpse called a white dwarf. The signal, which originates from the heart of the Helix Nebula, … Read more

Scientists say 2 asteroids may actually be fragments of destroyed planets from our early solar system

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Scientists believe that two asteroids might be fragments of long-lost “planetary embryos” from the early solar system. These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system’s formative stages and played a critical role in planetary formation. Two asteroids in the main asteroid belt between Mars and Jupiter, (246) … Read more