tag:blogger.com,1999:blog-4304574086397404369.post4002431075412191150..comments2024-01-05T07:41:44.344+00:00Comments on Further thoughts for the day: Mars is retrogradeUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-4304574086397404369.post-54377523221232405252012-01-24T00:17:01.773+00:002012-01-24T00:17:01.773+00:00I remember watching Cosmos as a kid and learning h...I remember watching Cosmos as a kid and learning how retrograde motion works.Andrew Hallhttps://www.blogger.com/profile/01495983897864604830noreply@blogger.com