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Blog Archive

 

Predicting Pluto's moons and moondust

Posted by Emily Lakdawalla on 2014/02/19 01:39 CST | 2 comments

Why didn't we discover Pluto's moons until more than a decade after Hubble launched? Mark Showalter helps me answer this question.

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Mission to a Metallic World: A Discovery Proposal to Fly to the Asteroid Psyche

Posted by Van Kane on 2014/02/19 07:45 CST | 1 comment

Imagine flying deep within the asteroid belt to study the most unreachable location in the solar system: the deep core of a terrestrial world.

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Intro Astronomy Class 2: How We Explore Space
Easy Things to See in the Night Sky, and the Electromagnetic Spectrum

Posted by Bruce Betts on 2014/02/18 05:50 CST

Learn easy things to look for in the night sky, and about the electromagnetic spectrum from gamma rays to radio waves in the video of class 2 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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What are Mercury's hollows?

Posted by Emily Lakdawalla on 2014/02/18 09:33 CST | 10 comments

I've been fascinated by Mercury's hollows ever since MESSENGER discovered them. Two recent papers look at where they are found to try to figure out how they form.

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Missions to a Star

Posted by Bill Dunford on 2014/02/17 02:45 CST | 2 comments

Upcoming deep space missions will venture right to the heart of the Solar System.

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Bringing Orion Home: How the U.S. Navy will pluck our future astronauts from the sea

Posted by Jason Davis on 2014/02/14 12:16 CST | 19 comments

When our future astronauts splash down into the Pacific Ocean aboard an Orion capsule, Mike Generale, NASA, and the U.S. Navy will be waiting for them.

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Curiosity Update, sols 534-540: Over Dingo Gap, onto softer sand

Posted by Emily Lakdawalla on 2014/02/13 12:55 CST | 5 comments

After more than two months of very slow driving due to concern about the wheels and time spent choosing whether to enter "Dingo Gap" or not, Curiosity has safely crossed the dune and resumed longer drives, achieving 75 meters and crossing the 5-kilometer mark on sol 540.

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The Two Faces of Phoebe

Posted by Daniel Macháček on 2014/02/13 10:03 CST | 7 comments

Cassini flew past Phoebe on June 11, 2004, on its way to entering Saturn orbit. The flyby was almost perfect but overexposure of some images have prevented color mosaics from being produced. Even though Phoebe's body is gray and dull in color, the absence of color images always provoked me. By using VIMS data, I have now produced color mosaics.

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What is NASA for?

Posted by Craig Hardgrove on 2014/02/12 04:19 CST | 3 comments

Planetary scientist Craig Hardgrove takes a look at what NASA really does for humanity.

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Possible hope for Yutu: "Situation is getting better," but no details [UPDATED]

Posted by Emily Lakdawalla on 2014/02/12 02:50 CST | 5 comments

A terse Xinhua news report posted today says there may be some sign of life from Yutu, now that the Sun has risen on the third lunar day since Chang'e 3 landed. It is frustratingly non-specific. UPDATE: Amateur radio operators have detected a radio signal from the rover.

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The 2014 Legislative Blitz is at Capacity!

Posted by Casey Dreier on 2014/02/11 06:25 CST | 1 comment

A tremendous response to our call for space advocates has pushed our small team to the limit. A great problem.

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Intro Astronomy Class 1: Tour of the Solar System

Posted by Bruce Betts on 2014/02/11 05:53 CST | 1 comment

Take a tour of the Solar System in the video of class 1 of Bruce Betts' Introduction to Planetary Science and Astronomy class.

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Behind-the-scenes story of Yutu: Promoting space exploration in China

Posted by Quanzhi Ye on 2014/02/11 12:24 CST

Promoting the story of Yutu to the Chinese public through social media: a successful case of science outreach.

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All's well in cruise phase for Mars-bound spacecraft MAVEN and Mars Orbiter Mission

Posted by Emily Lakdawalla on 2014/02/11 10:15 CST | 5 comments

A hundred days after launch, India's Mars Orbiter Mission is doing just fine, and so is NASA's MAVEN.

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HiRISE image coverage of the Curiosity field site on Mars

Posted by Emily Lakdawalla on 2014/02/10 02:39 CST

There have been tons and tons of HiRISE images of the Curiosity landing region, and it has taken quite a lot of work for me to find, locate, and catalogue them. This post is a summary of what I've found.

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New Hills, Old Secrets

Posted by Bill Dunford on 2014/02/10 08:04 CST | 1 comment

Exploring a set of newly named hills on Mars reveals tantalizing clues to the planet's story.

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Discovery Next

Posted by Van Kane on 2014/02/08 08:36 CST | 5 comments

To paraphrase Forrest Gump, the Discovery program is like a box of chocolates – you never know what you’re going to get. The creativity of the scientific community has given us a wide assortment of missions in the past and is likely to surprise and delight us again.

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Mars Exploration Rovers Update: Opportunity Finds Mystery Rock, Mission Celebrates 10 Years
Sols 3534 - 3563

Posted by A.J.S. Rayl on 2014/02/07 01:22 CST

In the storied history of the Mars Exploration Rovers (MER) mission, January 2014 will likely be remembered as one of the most memorable months of all.

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ICE/ISEE-3 to return to an Earth no longer capable of speaking to it

Posted by Emily Lakdawalla on 2014/02/07 10:47 CST | 43 comments

It's with great sadness that I report that the Goddard Space Flight Center team has determined that we will not be able to regain control of the venerable spacecraft ICE/ISEE-3 when it passes by Earth this year, after a 30-year journey around the Sun.

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Slate's Misleading Hit Piece on the Future of NASA
Instead of a thoughtful essay, they published an uninformed screed

Posted by Casey Dreier on 2014/02/06 04:44 CST | 17 comments

A response to Slate's recent piece on the future of NASA, correcting many of its myths and misconceptions about how NASA works.

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