An undated image of Hale Crater taken by NASA’s Mars Reconnaissance Orbiter. Scientists reported on Sept. 28, 2015, that the narrow streaks on the slopes could have been formed by saline water.
The spinning vortex of Saturn’s north polar storm is seen from Cassini spacecraft on Nov. 27, 2012. The photo released by NASA was taken from a distance of approximately 261,000 miles (420,038 km) from Saturn.
Saturn’s rings are seen in this image taken by Cassini spacecraft on June 30, 2004.
The Great Red Spot on Jupiter and the turbulent region to the west, as seen by Voyager 1 in 1979.
View of the Earth as seen by the crew of Apollo 17 in December 1972.
When Apollo 8, the first manned mission to the moon, entered lunar orbit on Christmas Eve, Dec. 24, 1968, astronauts Commander Frank Borman, Command Module Pilot Jim Lovell and Lunar Module Pilot William Anders held a live broadcast showing pictures of the Earth and Moon as seen from their spacecraft.
The Cassini spacecraft captured Jupiter’s Great Red Spot and the volcanic moon Io (L) in this color composite image taken during its flyby from a distance of 17.8 million miles (28.6 million km) in 2000.
Galaxies NGC 2207 and IC 2163, located 140 million light-years away in the Canis Major constellation, tug at each other, stimulating the formation of new stars.
American astronaut Bruce McCandless II photographed from the Space Shuttle Challenger during the first untethered spacewalk in Earth orbit on Feb. 7, 1984.
Tethys, one of Saturn’s moons, is seen from a distance of approximately 1.1 million miles (1.8 million km) from the Cassini spacecraft on July 14, 2014.
The Little Gem Nebula or NGC 6818 as pictured by Hubble Space Telescope and seen through different colored filters.
An image of the Martian rippled surface called Bagnold Dunes taken by NASA’s Curiosity rover on Nov. 27, 2015.
An eclipse of the Sun by Jupiter, as viewed from Galileo spacecraft that orbited the planet from 1995 to 2003.
The panoramic view of Saturn and its rings captured by Cassini’s wide-angle camera over nearly three hours on Sept. 15, 2006.
Am extreme ultraviolet image of the Sun taken by NASA’s Solar Dynamics Observatory (SDO) on March 30, 2010.
Neptune’s largest moon Triton is seen in this mosaic of images captured by Voyager 2 in 1989.
The Curiosity rover took this image of twilight on Mars, with Earth shining as a distinct evening star.
Image of the Sun taken by Extreme Ultraviolet Imaging Telescope (EIT) of the NASA and ESA-operated The Solar and Heliospheric Observatory (SOHO) aircraft.
An open star cluster called NGC 299 is seen near Nubecula Minor, a dwarf galaxy near Milky Way.
The Hubble Space Telescope captures an expanding shell of debris called SNR 0519-69.0, left behind after a massive star explosion in the Large Magellanic Cloud galaxy.
