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Stories, updates, insights, and original analysis from The Planetary Society.
New Horizons releases new color pictures of Charon, high-resolution lookback photo of Pluto
Now that New Horizons is regularly sending back data, the mission is settling into a routine of releasing a set of captioned images on Thursdays, followed by raw LORRI images on Friday. The Thursday releases give us the opportunity to see lovely color data from the spacecraft's Ralph MVIC instrument. This week, the newly available color data set covered Charon.
Thousands of Photos by Apollo Astronauts now on Flickr
A cache of more than 8,400 unedited, high-resolution photos taken by Apollo astronauts during trips to the moon is now available for viewing and download on Flickr.
The solar system at 1 kilometer per pixel: Can you identify these worlds? The answers
Last Friday I posted an image containing 18 samples of terrain, all shown at the same scale. Were you able to figure out which square was which? Here are the answers.
The solar system at 1 kilometer per pixel: Can you identify these worlds?
A look at the surfaces of 18 worlds in our solar system, all at the same scale.
Lose yourself in this high-resolution portrait of Pluto
Enlarge this image to its full 8000-pixel-square glory and lose yourself in it.
Checking in on Uranus and Neptune, September 2015 edition
There are no spacecraft at Uranus or Neptune, and there haven't been for 30 and 25 years, respectively. So we depend on Earth-based astronomers to monitor them, including Damian Peach.
Spectacular New Horizons photo of Pluto's hazes and mountains: How it was made
Today, New Horizons released a stunning new image of Pluto's backlit mountains and hazes. I explain how the image was taken with its Ralph Multispectral Visible Imaging Camera.
Finding the Surveyor retro-rockets on the Moon
Planetary scientist Phil Stooke may have found the retro-rockets from NASA's Lunar Surveyor missions, sent to the Moon in preparation for Apollo.
Roundup of the September 11, 2015 New Horizons raw image release
Last Friday the Internet received its first post-encounter pile of goodies from the New Horizons flyby of the Pluto system.
In Pictures: A Partial Solar Eclipse from Space
Two sun-observing spacecraft in Earth orbit captured images of a partial solar eclipse Sunday morning.
A Workhorse at Mars
The Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) is almost a silent star at Mars. The latest MRO data release brought the total number of available CTX images to over 70,000, covering well over 90% of the Red Planet at a stunning resolution of 6 meters per pixel.
Pretty Pictures: Downlink of the Full New Horizons Data Set Has Begun
New Horizons has begun the long process of downlinking all the images it acquired during its July Pluto flyby.
Pretty Picture: A Sweeping View of the Martian South Pole
The European Space Agency's Mars Express spacecraft captured a sweeping view of Mars' south pole, along with a region extending northward to Hellas Basin.
Dawn Ceres image bonanza: Grab your 3D glasses!
For months, Dawn has been steadily, methodically sharing dozens of images of brand-new sights of a previously unexplored icy world. For the last couple of days I've been making up for lost time, completely buried in the Dawn Ceres images, and I have some maps and 3D anaglyphs to share with you.
Dropping Orion in the Desert: NASA Completes Key Parachute Test
NASA’s Orion spacecraft completed a key parachute test Aug. 26 at the U.S. Army Yuma Proving Ground in Yuma, Arizona.
Three space fan visualizations of New Horizons' Pluto-Charon flyby
It has been a difficult wait for new New Horizons images, but the wait is almost over; Alan Stern announced at today's Outer Planets Advisory Group meeting that image downlink will resume September 5. In the meantime, a few space fans are making the most of the small amount of data that has been returned to date.
Galileo's best pictures of Jupiter's ringmoons
People often ask me to produce one of my scale-comparison montages featuring the small moons of the outer solar system. I'd love to do that, but Galileo's best images of Jupiter's ringmoons lack detail compared to Cassini's images from Saturn.
Dawn Journal: Mapping Ceres
More than two centuries after its discovery, Ceres is being mapped in great detail by the Dawn spacecraft. Chief Engineer and Mission Director Marc Rayman gives an update on Dawn's progress.
Pretty Pictures of the Cosmos: Long Exposures
Astrophotographer Adam Block brings us images showcasing beauty in details requiring extended exposures to capture.
The story behind Curiosity's self-portraits on Mars
How and why does Curiosity take self-portraits? A look at some of the people and stories behind Curiosity's



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