翻訳と辞書
Words near each other
・ Aisheng ASN-212
・ Aisheng ASN-216
・ Aisheng ASN-7
・ Aisheng ASN-9
・ Aisheng Drone-2
・ Aisheng UAV
・ Aisher
・ Aishihik
・ Aishihik Lake
・ Aishihik River
・ Aishite mo Aishitarinai
・ Aishite Muscat
・ Aishite-love-ru!
・ Aishiteiru to Itte Kure
・ Aishiteiru to Ittekure
Airy-0
・ Airyaman
・ Airyaman ishya
・ Airyanem Vaejah
・ Airyantha
・ Airén
・ Airó
・ Airīte Station
・ Air–fuel ratio
・ Air–fuel ratio meter
・ AIS
・ AIS Airlines
・ AIS Arena
・ AIS Canberra Darters
・ Ais Gill rail accident


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Airy-0 : ウィキペディア英語版
Airy-0

Airy-0 is a crater on Mars whose location defines the position of the prime meridian of that planet. It is about across and lies within the larger crater Airy in the region Sinus Meridiani.
It was named in honor of the British Astronomer Royal Sir George Biddell Airy (1801-1892), who in 1850 built the transit circle telescope at Greenwich. The location of that telescope was subsequently chosen to define the location of Earth's prime meridian.
Merton Davies chose this crater as Mars's prime meridian in 1969 based on Mariner 6 and 7 photographs.
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Airy-0」の詳細全文を読む



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