Some astronomers argue that if a star gets too massive, it will disrupt the planetary formation process.
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Some astronomers thought they saw the February burst drifting slowly across the sky.
Some astronomers seemed to think that he and his colleagues had been too selective about the sample of comets they studied.
Secondly, the detection of multiple planets demolishes once and for all the lingering doubts of some astronomers that the single planets found around other stars are not planets at all, but small, faint components in otherwise conventional binary star systems.
By then he was famous enough in the amateur astronomy world that some other amateur astronomers raised money to send him to Vanderbilt to study astronomy.
As regards the planets around HR8799, the astronomers made some fascinating observations.
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Astronomers said they think that some matter escapes black holes through particle jets shooting from the poles of giant collapsed stars.
So if astronomers have the composition of even some asteroids wrong, they might also have the wrong story about the birth of the earth.
Either side of this date, the ancient astronomers trying to find true north would lose some accuracy.
In 2011, astronomers said they had discovered a protoplanet, though some signs indicated it was an older entity.
Astronomers say the sun has been relatively quiet for some time.
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He got his own back on Ryle, for instance, by claiming in 1951 that some of the signals being detected by the radio telescopes that astronomers were then constructing came from outside the Milky Way galaxy in which the Earth resides.
In an interview last week, executive committee member Bob Williams said the definition proposed by the panel had some potential problems, and he was not at all sure if the astronomers voting in Prague this month would approve it.
British astronomers hope that, 400 years on, Harriot will finally get some of the wider recognition that he deserves.
Astronomers are also interested in superfluids because they may help explain the behaviour of some of the more bizarre objects in the Universe.
Admittedly, as astronomers spend more time in front of computers and less time peering through telescopes, some of the joy of their profession will have been lost.
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