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domingo, 27 de septiembre de 2015

NASA : Moons In Hiding .- En Saturno : Lunas en la clandestinidad.- Prometeo y Pandora están casi escondidas en los anillos de Saturno en esta imagen.

Hola amigos: A VUELO DE UN QUINDE EL BLOG., Prometeo (53 millas o 86 kilómetros de diámetro) y Pandora (50 millas o 81 kilómetros de diámetro) a lo largo de la órbita anillo F estrecha lado de Saturno, que tiene la forma, en parte, por sus influencias gravitacionales ayudan a dar forma a ese anillo. Su proximidad a los anillos también significa que a menudo se encuentran en la misma línea de visión como los anillos, a veces haciendo que sea difícil de detectar.
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Cassini moons
Prometheus and Pandora are almost hidden in Saturn's rings in this image.
Prometeo y Pandora están casi escondidas en los anillos de Saturno en esta imagen.

Prometheus (53 miles or 86 kilometers across) and Pandora (50 miles or 81 kilometers across) orbit along side Saturn's narrow F ring, which is shaped, in part, by their gravitational influences help to shape that ring. Their proximity to the rings also means that they often lie on the same line of sight as the rings, sometimes making them difficult to spot.

In this image, Prometheus is the left most moon in the ring plane, roughly in the center of the image. Pandora is towards the right.

This view looks toward the unilluminated side of the rings from about 0.3 degrees below the ring plane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on May 6, 2015.

The view was obtained at a distance of approximately 994,000 miles (1.6 million kilometers) from Prometheus and at a Sun-Prometheus-spacecraft, or phase, angle of 106 degrees. Image scale is 6 miles (10 kilometers) per pixel.

The Cassini mission is a cooperative project of NASA, ESA (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. 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, Colorado.

For more information about the Cassini-Huygens mission visit
or
The Cassini imaging team homepage is at

Credit: NASA/JPL-Caltech/Space Science Institute   
Last Updated: Sept. 22, 2015
Editor: Tony Greicius
NASA
Guillermo Gonzalo Sánchez Achutegui