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Sao/nasa ads: ads home page

The sao/nasa astrophysics data system. welcome to the digital library for physics and astronomy.

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Adsabs.harvard.edu has first positions for keywords

Pos.KeywordResultsLast check
16
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53.7 MillionJan 26st, 2016
10
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6.45 MillionOct 14st, 2015
10
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3.92 MillionFeb 4st, 2016
10
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580 ThousandAug 10st, 2017
10
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0Jul 30st, 2017
10
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0Aug 11st, 2017
134
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343 MillionJun 15st, 2018
12
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99.7 MillionJun 27st, 2017
13
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4.03 MillionJul 12st, 2018
10
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28.3 MillionJun 22st, 2017

Best keywords in 2-5 positions

Pos.KeywordResultsLast check
246
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788 ThousandAug 20st, 2017
2-1
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1.25 BillionJan 28st, 2018
20
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1.51 MillionJun 26st, 2017
20
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4.03 MillionJun 28st, 2017
20
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336 MillionFeb 6st, 2017
213
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2.25 MillionFeb 10st, 2017
20
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2.64 MillionApr 7st, 2017
20
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11.9 MillionJun 19st, 2018
241
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25.1 MillionNov 23st, 2017
22
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7.04 MillionJul 12st, 2018

Best keywords in 6-10 positions

Pos.KeywordResultsLast check
60
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32 MillionOct 5st, 2017
619
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14.5 MillionAug 17st, 2017
60
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20.6 MillionJul 28st, 2017
60
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27.5 MillionApr 15st, 2018
64
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241 ThousandMay 30st, 2018
60
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253 ThousandAug 20st, 2017
60
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515 ThousandAug 17st, 2017
61
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178 ThousandAug 28st, 2017
60
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5.62 ThousandMay 14st, 2018
60
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8.89 ThousandOct 21st, 2015