Ringside

Astronomy Picture of the Day · 2005-10-21 · NASA (public domain)

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Ringside — APOD for 2005-10-21

Orbiting in the plane of Saturn's rings , Dione and the other icy saturnian moons have a perpetual ringside view of the gorgeous gas giant planet. Of course, while passing through the ring plane the Cassini spacecraft also shares their stunning perspective . The rings themselves can be seen slicing across the bottom of this Cassini snapshot . Remarkably thin , the bright rings still cast arcing shadows across the planet's cloud tops. Pale Dione , in the foreground, is about 1,100 kilometers across and orbits over 300,000 kilometers from the visible outer edge of the A ring.

Astronomy Picture of the Day for 2005-10-21 — image & explanation courtesy of NASA (public domain), mirrored at Tukuk-OS for reading and search convenience.

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