PIA14587: Tiny by the Terminator


Tiny by the Terminator

Caption:

A pair of Saturn's moons appear insignificant compared to the immensity of the planet in this Cassini spacecraft view along the terminator where day transitions to night.

The larger moon Enceladus (313 miles, or 504 kilometers across) is also on the left, just a bit closer to the center of the image. Epimetheus (70 miles, or 113 kilometers across) appears as a tiny black speck on the far left of the image, left of Enceladus, just below the thin line of the rings. The rings cast wide shadows on the southern hemisphere of the planet.

This view looks toward the northern, sunlit side of the rings from just above the ringplane.

The image was taken with the Cassini spacecraft wide-angle camera on Nov. 4, 2011 using a spectral filter sensitive to wavelengths of near-infrared light centered at 752 nanometers. The view was acquired at a distance of approximately 746,000 miles (1.2 million kilometers) from Saturn and roughly 600,000 miles (1 million kilometers) from Enceladus and Epimetheus. Image scale is about 47 miles (75 kilometers) per pixel on Saturn, 37 miles (60 kilometers) per pixel on Enceladus and 41 miles (66 kilometers) per pixel Epimetheus.

Background Info:

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging operations center is based at the Space Science Institute in Boulder, Colo.

For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov . The Cassini imaging team homepage is at http://ciclops.org .

Cataloging Keywords:

Name Value Additional Values
Target Saturn Enceladus, Epimetheus, Sun
System Saturn
Target Type Planet Satellite, Sun
Mission Cassini-Huygens
Instrument Host Cassini Orbiter
Host Type Orbiter
Instrument Imaging Science Subsystem (ISS)
Detector Wide Angle Camera
Extra Keywords Grayscale, Infrared, Shadow
Acquisition Date
Release Date 2011-12-19
Date in Caption 2011-11-04
Image Credit NASA/JPL-Caltech/Space Science Institute
Source photojournal.jpl.nasa.gov/catalog/PIA14587
Identifier PIA14587