Talk:June 19, 2015

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starsplitter said ...

19 June 2015

Just a passing comment; Eudoxus doesn't have a well developed ray system compared to Copernicus. Wouldn't that make it Eratosthenian also? On the boundary between the Eratosthenian and Copernican, as Dr. Wood points out, would seem likely.

http://bit.ly/1ChIXul

Ron

--Starsplitter (talk)

starsplitter said ...

19 June 2015

Here is an article from Sky & Telescope on dust particles above and around the moon. Since no one is sure how or why they exist, I speculate that they are left over from the putative collision between earth and a small planet the size of Mars that caused the formation of the Moon. The smoking gun of the Moon's formation. Ha! I wish. Take a look at it though it is an interesting article.

http://www.skyandtelescope.com/astronomy-news/the-moons-mysterious-twilight-dust-clouds-0617201534/?et_mid=761616&rid=246433710

Ron

--Starsplitter (talk)