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Saturn moons align. NASA's Cassini spacecraft has been in Saturn orbit for over a decade and it has seen the whole spectrum of ringed planet delights. But there are few views in Saturnian orbit that are more satisfying than seeing two or more moons in the same frame — particularly when they align.

Saturn moons align. NASA's Cassini spacecraft has been in Saturn orbit for over a decade and it has seen the whole spectrum of ringed planet delights. But there are few views in Saturnian orbit that are more satisfying than seeing two or more moons in the same frame — particularly when they align.

The labels on the light ray with different pieces of information each are informative and blend in with the background. The light ray also resembles a spaceship, which gives me some ideas.

The labels on the light ray with different pieces of information each are informative and blend in with the background. The light ray also resembles a spaceship, which gives me some ideas.

Crescent Planet-This view of Uranus was recorded by Voyager 2 on Jan 25, 1986, as the spacecraft left the planet behind and set forth on the cruise to Neptune Even at this extreme angle, Uranus retains the pale blue-green color seen by ground-based astronomers and recorded by Voyager during its historic encounter. This color results from the presence of methane in Uranus' atmosphere; the gas absorbs red wavelengths of light, leaving the predominant hue seen here.

Crescent Planet

Crescent Planet-This view of Uranus was recorded by Voyager 2 on Jan 25, 1986, as the spacecraft left the planet behind and set forth on the cruise to Neptune Even at this extreme angle, Uranus retains the pale blue-green color seen by ground-based astronomers and recorded by Voyager during its historic encounter. This color results from the presence of methane in Uranus' atmosphere; the gas absorbs red wavelengths of light, leaving the predominant hue seen here.

Pluto's Haze Stack

Pluto’s Haze Varies in Brightness

An infrared view from NASA's NEOWISE mission of the Oort cloud comet C/2006 W3 (Christensen). The spacecraft observed this comet on April 20th, 2010 as it traveled through the constellation Sagittarius. Comet Christensen was nearly 370 million miles (600 million kilometers) from Earth at the time.

An infrared view from NASA's NEOWISE mission of the Oort cloud comet C/2006 W3 (Christensen). The spacecraft observed this comet on April 20th, 2010 as it traveled through the constellation Sagittarius. Comet Christensen was nearly 370 million miles (600 million kilometers) from Earth at the time.

A quintet of Saturn's moons come together in the Cassini spacecraft's field of view for this portrait. Janus (179 kilometers, or 111 miles across) is on the far left. Pandora (81 kilometers, or 50 miles across) orbits between the A ring and the thin F ring near the middle of the image.

A Quintet of Saturn's Moons

A quintet of Saturn's moons come together in the Cassini spacecraft's field of view for this portrait. Janus (179 kilometers, or 111 miles across) is on the far left. Pandora (81 kilometers, or 50 miles across) orbits between the A ring and the thin F ring near the middle of the image.

(Animated .gif)   If other planets were as close to Earth as the Moon

If other planets were as close to Earth as the Moon…

(Animated .gif) If other planets were as close to Earth as the Moon

This image from NASA's Cassini spacecraft shows three moons -- Titan, Mimas, and Rhea. Titan, the largest moon shown here, appear fuzzy because we only see its cloud layers. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 25, 2015.

This image from NASA's Cassini spacecraft shows three moons -- Titan, Mimas, and Rhea. Titan, the largest moon shown here, appear fuzzy because we only see its cloud layers. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 25, 2015.

Venus Transit 2012 from Space Station; Credit: NASA - This image is from NASA Astronaut Don Petttit shot from onboard the International Space Station on June 5, 2012. #venustransit

Venus Transit 2012 from Space Station; Credit: NASA - This image is from NASA Astronaut Don Petttit shot from onboard the International Space Station on June 5, 2012. #venustransit

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