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Daily Astronomy Blurb: Herschel Crater on Mimas

Mimas, small 400 kilometer-diameter moon of Saturn, is host to 130 kilometer-diameter Herschel crater, one of the larger impact craters in the entire Solar System. The robotic Cassini spacecraft orbiting Saturn in 2010 recorded this startling view of small moon and big crater while making a 10,000-kilometer record close pass by the diminutive icy world. Shown in contrast-enhanced false color, the image data reveal more clearly that Herschel's landscape is colored slightly differently from heavily cratered terrain nearby. The color difference could yield surface composition clues to the violent history of Mimas. Of course, an impact on Mimas any larger than the one that created the 130-kilometer Herschel might have destroyed the small moon of Saturn.
© apod.nasa.gov


Dark sky.Seriously: dark sky; no Perseid meteors tonight, at least not for us. ... See MoreSee Less
Forecast not looking good for Perseid meteors observations on Friday night through to Saturday morning.Best wishes, All, but ACAC not planning an event, atm.If conditions improve, we'll see what can be arranged and result will be posted. ... See MoreSee Less

6 days ago

Trudy Almon
The Sunday Night Astronomy Show is live now!!The Sunday Night Astronomy Show - Some Interesting Facts and Figures About the Moonwww.youtube.com/watch?v=A6D4By11sIg ... See MoreSee Less
It's been so long since I had one of these alerts I didn't think they still worked! ... See MoreSee Less