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comet ISON Approaches

發表於 : 2013-06-19, 08:17

由 funoooo

http://www.skyandtelescope.com/observin ... 08441.html

Sky and Telescope Article.

Re: comet ISON Approaches

發表於 : 2013-06-19, 10:24

由社長

http://earthsky.org/space/big-sun-divin ... -393615829

http://earthsky.org/space/big-sun-divin ... h-by-month

http://earthsky.org/space/big-sun-divin ... 615829#how