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Pulsar Ages May Be Wrong [zz]
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Pulsar Ages May Be Wrong [zz]# Astronomy - 天文
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Another pulsar turns up with an age that defies conventional wisdom.
by Richard Talcott
A thousand years ago, most astronomers thought Earth lay at the center of the
cosmos. One hundred years ago, most thought the universe consisted of a
single galaxy. And just two years ago, most would have said they understood
how neutron stars and pulsars evolve. Conventional wisdom, it seems has taken
another beating.
For the second time in the past two years, astronomers have found a pulsar
that doesn’t con
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