An Historical Retrospective of the Future: Density Waves in Saturns Rings from Cassini via NASA https://t.co/OCQevf7mBp https://t.co/fSpHmom24W

Density Waves in Saturns Rings from Cassini via NASA https://t.co/OCQevf7mBp https://t.co/fSpHmom24W

Density Waves in Saturns Rings from Cassini via NASA https://t.co/OCQevf7mBp http://pic.twitter.com/fSpHmom24W
— Dean Norris (@geekynerdyone) August 8, 2017

from Twitter https://twitter.com/geekynerdyone

August 08, 2017 at 12:49AM
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