Sentences with phrase «region over hundreds of millions of years»
«The current results indicate that there has been no significant star formation in this large region over hundreds of millions of years,» co-author Giuseppe Bono said in the press release.
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Travelling between the stars for a hundred light years or so, we would find ourselves moving between regions where the density of gas changes a millionfold — more extreme than the difference between air and water — and with changes in temperature from just a few degrees above absolute zero to over a million degrees.