Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Hiroki Akisawa"'
Autor:
Kenshi Yanagisawa, Makoto Sakamoto, Hiroki Akisawa, Hiroyuki Mito, Yuki Sarugaku, Hideo Fukushima, Takafumi Ootsubo, Masateru Ishiguro, Shin Ya Narusawa, Mitsuhiko Honda, Jun-ichi Watanabe, Takahiro Niwa, Daisuke Kuroda, Takashi Miyata
Publikováno v:
The Astrophysical Journal. 714:1324-1333
Based on optical and infrared observations, we study the albedo and the temperature of the dust grains associated with the spectacular 2007 outburst of Jupiter-family comet 17P/Holmes. We found that the albedo at the solar phase angle ~16° was 0.03-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a00d12664b1bc4b86b76077634d58da
https://doi.org/10.1088/0004-637x/714/2/1324
https://doi.org/10.1088/0004-637x/714/2/1324
Publikováno v:
International Astronomical Union Colloquium. 126:269-272
The anti-tail of comet Bradfield 1987XXIX (= 1987s) was observed when the earth passed through the orbital plane of this comet on December 20, 1987. The time variation of this phenomenon was monitored continuously by Japanese amateur astronomers. Ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89b3d35a5ac3a26433758eb4a6a1cdc9
https://doi.org/10.1017/s0252921100066938
https://doi.org/10.1017/s0252921100066938
Autor:
Douglas A. Vakoch
In April 2010, fifty years to the month after the first experiment in the Search for Extraterrestrial Intelligence (SETI), scholars from a range of disciplines—including astronomy, mathematics, anthropology, history, and cognitive science—gathere
