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Two epic photos of Earth -- but which one is truer?

Emily Lakdawalla • December 29, 2015

Two images of Earth taken from different spacecraft at the same time illustrate differences in "true" color imaging among spacecraft.

Hayabusa2 views Earth and the Moon on approach to December 3 flyby

Emily Lakdawalla • December 01, 2015

I just love photos of Earth from planetary missions -- especially if they manage to get Earth and Moon in the same shot, as Hayabusa2 did on November 26.

Favorite Astro Plots #3: The rate of lunar cratering

Emily Lakdawalla • November 30, 2015

The third entry in my series of blog posts about Favorite Astro Plots contains one of the biggest discoveries from the Apollo program -- as well as one of the biggest questions in planetary science. The chart was nominated by planetary scientist Barbara Cohen. It has to do with the ages of surfaces on the Moon.

Surveyor Digitization Project Hints at Long-Lost Lunar Treasures

Jason Davis • November 23, 2015

A project to digitize more than 90,000 images taken by NASA’s five Surveyor spacecraft in the 1960s has revealed early hints of never-before-seen treasures captured by America’s first robotic lunar landers.

Two JAXA mission updates: Akatsuki Venus orbit entry and PROCYON Earth flyby coming up!

Emily Lakdawalla • November 19, 2015

Akatsuki is finally approaching its second attempt to enter Venus orbit, on December 7; let's all wish JAXA the best of luck! And PROCYON, whose ion engines have failed, is still an otherwise perfectly functional spacecraft that is taking photos of Earth and the Moon as it approaches for a flyby.

Preparing for the Journey to the Moon, Mars and Beyond

Deepak Dhingra • October 21, 2015

Deepak Dhingra reports on a planetary analog field trip exploring a very young volcanic terrain in Idaho at Craters of the Moon National Monument and Preserve.

Mega Hemorrhaging Total Lunar Eclipse Sept 27-28, 2015

Bruce Betts • September 24, 2015

There will be a spectacular total lunar eclipse on the night of Sept. 27-28, 2015, a newly dubbed Mega Hemorrhaging Eclipse. Here is info on what lunar eclipses are and how to observe the eclipse.

Finding the Surveyor retro-rockets on the Moon

Phil Stooke • September 15, 2015

Planetary scientist Phil Stooke may have found the retro-rockets from NASA's Lunar Surveyor missions, sent to the Moon in preparation for Apollo.

Chang'e 5 test vehicle maps future sample return site

Emily Lakdawalla • September 03, 2015

This summer the Chinese space agency has been making progress toward its planned 2017 launch of the Chang'e 5 robotic sample return mission, performing low-altitude imaging of the future landing site.

CubeSats to the Moon

Casey Dreier • September 02, 2015

Casey interviews Dr. Craig Hardgrove about his lunar CubeSat, how it came together, and how NASA’s support for small missions are important for early career scientists like himself.

Latest New Horizons picture of Charon: oddly familiar

Emily Lakdawalla • July 16, 2015

The New Horizons team released one more picture from Tuesday's encounter, one of three high-resolution images from a mosaic that crossed the center of Charon's disk, and it took me a while to figure out what it reminded me of.

The Lunar Chronology: What Happens When Science Does Its Thing

Stuart Robbins • April 01, 2015

Scientist Stuart Robbins discusses dating the lunar surface is using impact craters.

A Sky Full of Stars

Bill Dunford • March 09, 2015

In pictures of the planets, the stars aren't usually visible. But when they do appear, they're spectacular.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 04, 2015

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

The Moon, In Depth

Bill Dunford • January 20, 2015

Explore a new collection of 3D lunar landscapes.

Get an Up-Close Look at the Lunar Surface with These 3D Apollo Images

Jason Davis • December 26, 2014

3D images generated by the Apollo Lunar Surface Closeup Camera give you an idea of how it would look to crouch on the lunar surface with your spacesuit faceplate to the soil.

A new Chang'e 3 and Yutu image archive

Emily Lakdawalla • December 19, 2014

A treasure trove of newly released images from the Chang'e 3 program includes a photo sequence of a waxing Earth and lots of high-resolution views of rover and lander on the Moon.

Lunar Polar Volatile Puzzle

Deepak Dhingra • November 21, 2014

Deepak Dhingra gives an exciting update from the recent Lunar Exploration and Analysis Group (LEAG) meeting at Johns Hopkins University Applied Physics Lab (JHU-APL) in Baltimore.

From Mercury orbit, MESSENGER watches a lunar eclipse

Emily Lakdawalla • October 10, 2014

Watch as our enormous moon -- a quarter the diameter of the planet -- just winks out as it passes into Earth's long shadow, in an animation captured from more than 100 million kilometers away.

Two Eclipses in October

Bruce Betts • October 06, 2014

October 2014 brings big sky fun: a total lunar and partial solar eclipse, both visible from North America. The lunar eclipse will also be visible from most areas around the Pacific Ocean. Here is info on how to observe these eclipses.

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