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Dione floating against Saturn’s layered atmosphere with delicate ring lines stretching across the black sky.

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    Wonder of Science (wonderofscience@mastodon.social)'s status on Sunday, 05-Oct-2025 07:04:13 JST Wonder of Science Wonder of Science

    Saturn and its icy moon Dione captured by the Cassini spacecraft. About two thirds of Dione's mass is water ice.

    Credit: NASA/JPL/SSI

    In conversation about 11 months ago from mastodon.social permalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

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