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Blog Archive

 

The Planetary Report, June 2012: Dark Skies?

Posted by Emily Lakdawalla on 2012/07/25 02:27 CDT

The June Solstice issue of our member magazine The Planetary Report is out! The feature article, by W. Scott Kardel of the International Dark-Sky Association, looks at the ecological, economic, and philosophical problem of light pollution. My inside-the-cover Snapshots from Space features image processing work by Gordan Ugarkovic. Bill Nye's Planetary Society Kids section shows you how to build your own MarsDial, and on its back page I share some weird and interesting facts about Mars' moons.

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Curiosity's seventeenth camera: MARDI

Posted by Emily Lakdawalla on 2012/07/20 02:21 CDT | 4 comments

Curiosity is equipped with seventeen cameras. One of them, the Mars Descent Imager (MARDI) will capture a movie as the rover descends to the surface.

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Got questions about Curiosity? I've got answers for you

Posted by Emily Lakdawalla on 2012/07/19 02:35 CDT | 18 comments

Whether you are a scientist or a layman, if you have ever asked yourself any question about Curiosity, I strongly suggest that you read the newly published press kit!

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How Curiosity Will Land on Mars, Part 3: Skycrane and landing

Posted by Emily Lakdawalla on 2012/07/06 07:01 CDT | 6 comments

The final phase of Curiosity's landing on Mars involves the "skycrane maneuver" and will leave the rover on its wheels ready for its mission on Mars to begin.

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How Curiosity Will Land on Mars, Part 2: Descent
staff-blog-post

Posted by Emily Lakdawalla on 2012/06/29 07:04 CDT | 6 comments

When people first hear about how Curiosity will land on Mars, their first question always is: are they nuts? This is the second in a multi-part series describing how -- and why -- Curiosity will land this way, in excruciating detail.

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How Curiosity Will Land on Mars, Part 1: Entry

Posted by Emily Lakdawalla on 2012/06/22 07:19 CDT | 14 comments

When people first hear about how Curiosity will land on Mars, their first question always is: are they nuts? This is the first in a multi-part series describing how -- and why -- Curiosity will land this way, in excruciating detail.

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Cosmoquest Science Hangout Wednesday June 20 2300 UTC: Ravi Prakash, Curiosity engineer

Posted by Emily Lakdawalla on 2012/06/18 05:32 CDT | 1 comment

This Cosmoquest Science Hangout featured Ravi Prakash, Curiosity Entry, Descent, and Landing Systems Engineer. He explained how Curiosity will land on Mars, and why they've changed things since Spirit and Opportunity landed.

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In which I visit Mojave Spaceport and meet WhiteKnightTwo and SpaceShipTwo

Posted by Emily Lakdawalla on 2012/05/29 11:51 CDT | 4 comments

It was just a coincidence, but a cool one, that I got a chance to visit the Mojave Spaceport so soon after the dramatic "New Space" success of the launch and Space Station docking of SpaceX's Falcon 9 and Dragon. My host was Will Pomerantz. Bill Nye, Mat Kaplan, and I visited The Spaceship Company and Scaled Composites, where they are building the next SpaceShipTwo and WhiteKnightTwo craft.

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Virtual Exploration, Virtually Everywhere

Posted by Jim Bell on 2012/05/14 10:45 CDT

I had the pleasure of participating in a symposium at NASA's Goddard Space Flight Center called "Space Exploration via Telepresence: A New Paradigm for Human-Robotic Cooperation."

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Examining India's new RISAT 1 Earth observation satellite

Posted by Jason Davis on 2012/05/02 12:03 CDT | 1 comment

Last week, India launched RISAT 1, a new Earth-observing satellite. How does its synthetic aperture radar compare to that of Envisat, which has fallen silent?

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Planets around Alpha Centauri?

Posted by Bruce Betts on 2012/04/24 12:03 CDT | 2 comments

Do planets circle our closest stellar neighbors, the system loved by science fiction: Alpha Centauri? We don’t know. But, Debra Fischer, Julien Spronck, and their colleagues at Yale University, in part with Planetary Society support, are trying to find out.

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Pioneer Anomaly Solved!

Posted by Bruce Betts on 2012/04/19 11:00 CDT | 11 comments

With the latest piece of the puzzle just published in a scientific journal, a solar system mystery that has perplexed people for more than 20 years has been solved, truly thanks to the support of Planetary Society members.

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Of inclinations and azimuths

Posted by Jason Davis on 2012/04/11 12:29 CDT

A classified U.S. military satellite recently launched into an orbital inclination of 123 degrees. What makes this trajectory so unique? Pondering the answer affords the opportunity to learn some deceptively tricky concepts about the nature of all spacecraft orbits.

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Visiting a Solar Sail in the OC

Posted by Mat Kaplan on 2012/03/16 06:33 CDT

The city of Tustin is about an hour's drive from Planetary Society HQ in Pasadena. That's when the freeway gods are kind, which they never are. The trip I made there yesterday was well worth the trouble.

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Cool stuff brewing at Honeybee Robotics

Posted by Emily Lakdawalla on 2012/03/15 03:05 CDT

Yesterday I was treated to a little tour (little, because it's a little building) of Honeybee Robotics' office here in Pasadena. Honeybee is developing some great technology for future space missions for Earth, Mars, and beyond.

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Infographic: Viewing our universe's colors

Posted by Emily Lakdawalla on 2012/02/14 03:08 CST

An infographic explains in what "colors" of electromagnetic radiation we been able to observe our universe, over the length of the space age.

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Planetary Radio: A Modest Plea For Both Big and Not-So-Big Space Science Funding

Posted by Mat Kaplan on 2012/02/06 09:46 CST

This weeks Planetary Radio features updates on the James Webb Space Telescope, from Deputy Project Director Eric Smith. The discussion centers around the budget controversy, and why the JWST is worth the money.

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The state of Earth observation, January 2012

Posted by Jason Davis on 2012/01/09 05:54 CST

As of November 2011, the Earth Observing Handbook counts 109 active missions to study the Earth as a planet, with 112 more approved and planned for the future. Jason Davis provides an overview of key current and upcoming earth-observing missions.

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How did they make the nuclear power source for the Curiosity rover?

Posted by Emily Lakdawalla on 2011/11/28 03:07 CST

Maybe it's because I was a kid during the Cold War; I always assume that information about anything nuclear only comes out on that "need-to-know basis."

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The fish that sent us to the moon

Posted by Jason Davis on 2011/10/20 06:16 CDT

The tale of NASA's Super Guppy aircraft, which ferried parts of America's space program to their launch pads.

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