September 23rd, 2011

Saturn's rings

Astro-Porn of the Day: Amazing Photo of Saturn's Moons

NASA's Cassini mission continues to deliver astounding images. Check out this one, revealing a quintet of Saturn's moons in a single field of view:

Click the image to see the Cassini mission page.

Janus (111 miles across) is on the far left. Pandora (50 miles across) orbits between the A ring and the thin F ring near the middle of the image. Brightly reflective Enceladus (313 miles across) appears above the center of the image. Saturn's second largest moon, Rhea (949 miles across), is bisected by the right edge of the image (ad obscures Saturn). The smaller moon Mimas (246 miles across) is visible beyond Rhea also on the right side of the image.

This view looks toward the northern, sunlit side of the rings from just above the ringplane. Rhea is closest to Cassini here. The rings are beyond Rhea and Mimas. Enceladus is beyond the rings.