期刊名称:VENETS: the Belogradchik journal for local history, cultural heritave and folk studies
印刷版ISSN:1314-0426
电子版ISSN:1314-0256
出版年度:2010
卷号:1
期号:3
页码:279-285
语种:
出版社:SCS CONSULTING LTD
摘要:This story by Valentin Kachev, a Bulgarian writer, is for the first years of the astronomical observatory in Belogradchik. Then high school students were involved in recording the trajectories of the first artificial satellites of Earth. This information is transmitted by radio to the Soviet Space Center “Kosmos” in Moscow.