科学与环境
The phoenix planet: Astronomers find a world reborn from its star's ashes
来源: Phys.org - latest science and technology news stories · 发布于
Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to have formed from the remains of the dead star it now orbits.
Astronomers have discovered the first example of a second-generation planet orbiting a white dwarf, a world that appears to have formed from the remains of the dead star it now orbits.
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