Astronomy Pictures

Lake Powell and Grand Staircase-Escalante

NASA: Image of the Day -

This panorama, photographed by an astronaut aboard the International Space Station, shows nearly the full length of Lake Powell, the reservoir on the Colorado River in southern Utah and northern Arizona. Note that the ISS was north of the lake at the time, so in this view south is at the top left of the image.

NASA Day of Remembrance

NASA: Image of the Day -

Martha Chaffee, widow of Roger Chaffee, Sheryl Chaffee, daughter, and Roger Purvenas, son of Sheryl Chaffee, left, along with acting NASA Administrator Robert Lightfoot, right, place wreaths at the graves of Apollo 1 crewmembers Virgil "Gus" Grissom and Roger Chaffee as part of NASA's Day of Remembrance, Tuesday, Jan. 31, 2017.

Coy Dione

NASA: Image of the Day -

Dione's lit hemisphere faces away from Cassini's camera, yet the moon's darkened surface features are dimly illuminated in this image, due to Saturnshine.

January 1986 - Voyager 2 Flyby of Miranda

NASA: Image of the Day -

Uranus' moon Miranda is shown in a computer-assembled mosaic of images obtained Jan. 24, 1986, by the Voyager 2 spacecraft. Miranda is the innermost and smallest of the five major Uranian satellites, just 480 kilometers (about 300 miles) in diameter. Nine images were combined to obtain this full-disc, south-polar view.

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