Janus: God Of Beginnings

SATURN DAILY

Pasadena CA (JPL) Mar 29, 2005
This close-up view of Saturn's moon Janus shows what appear to be two large craters near the boundary between day and night. The left side of the moon is lit feebly by reflected light from Saturn. Janus is 181 kilometers (113 miles) across.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Feb. 18, 2005, at a distance of approximately 1.1 million kilometers (684,000 miles) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 108 degrees.

Resolution in the original image was 7 kilometers (4 miles) per pixel. The image has been contrast-enhanced and magnified by a factor of three to aid visibility.

Janus Rides The Rings
Pasadena CA (JPL) Mar 29, 2005 Cassini was nearly in the plane of Saturn's rings when it took this image of Janus. The nearly edge-on rings appear almost ribbon-like in this view, and some surface detail is visible on the small moon.

Janus is 181 kilometers (113 miles) across.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Feb. 18, 2005, at a distance of approximately 911,000 kilometers (566,000 miles) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 101 degrees. The image scale is 5 kilometers (3 miles) per pixel.

SATURN DAILY

Comparing The Triad Of Great Moons

Moffett Field CA (SPX) Mar 23, 2005
"Saturn's moon Titan is one of a triad of giant moons, the other two being Jupiter's moons Ganymede and Callisto. Interestingly, these moons all have about the same density, and therefore about the same mass and radius."

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