... Observations of visual double stars at Pulkovo continue stellar astronomy studies, which were started by F. Struve in 19 century and have become traditional for Pulkovo observatory. ...

... Moscow State University, Vice-President of the Russian Academy of Sciences Dear Colleagues and Friends, For many centuries universities have been regarded as the highest level in education, science and general enlightenment of Community and Humanity ...

... and Renaissance; Literature of the XVII-XVIII centuries; Literature of the XIX century; Literature of the end of XIX century ...

... Re: 21st Century Science & Technology - An International Journal . ... x203a; в ответ на: Re: 21st Century Science & Technology - An International Journal ... Re: 21st Century Science & Technology - An International Journal Александр Тимофеев ...

... At the beginning of the 20 th century Macedonia as a region in the declining Ottoman ... the situation at the end of 20 century is different and politically much more stable ...

... 14 A1 Arbitrary *== OLD FORMAT ==========================* 15-16 I2 Century digits ... Year = 1889, Century digits = 18 | or DISTURBED DAYS Q=1, D=2 | ... Year = 1996, Century digits = 19 | Column 16: Blank for data since 1900, | ...

... Roger Bacon, the famous 13 th - century monk, and scientist was the first to formulate the principal idea of the apparatus that ...