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Comet to whiz past Mars in October 2014
Posted by Emily Lakdawalla on 2013/02/27 05:36 CST | 17 comments
A recently discovered comet, C/2013 A1 (Siding Spring), is going to be passing very close to Mars on October 19, 2014. Does it pose a risk to spacecraft?
Venerable Deep Impact spacecraft has photographed comet ISON
Posted by Emily Lakdawalla on 2013/02/05 05:24 CST | 6 comments
Deep Impact has made the first space-based observations of comet ISON.
Pretty picture: Jupiter photo from an unusual source
Posted by Emily Lakdawalla on 2012/12/26 01:02 CST | 4 comments
A recently launched Earth-observing satellite is using the stars to practice its pointing, and caught a neat animation of Jupiter.
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