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Kepler’s focal plane consists of an array of forty-two charge-coupled devices (CCDs). Each CCD is 2.8 cm by 3.0 cm with 1,024 by 1,100 pixels. The entire focal plane contains 95 megapixels.
Kepler: The Long Road to Other Worlds

By Kerry Ellis Navigating to alien planets similar to our own is a universal theme of science fiction. But how do our space heroes know where to find those planets?

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This artist’s concept shows the sky crane maneuver during the descent of the Curiosity rover to the Martian surface.
The Sky Crane Solution

By Don Cohen For all these missions, entering and descending through the Martian atmosphere and putting an undamaged lander on the surface (the mission phase known as EDL, for entry, descent, and landing) has been technically demanding.

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The Knowledge Notebook by Laurence Prusak
The Knowledge Notebook: The Real Value of Knowledge

By Laurence Prusak   The question I most often hear when I speak to people about how to work with knowledge is some variation of “How can we measure the value of knowledge activities or projects?

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ASK Interactive
ASK Interactive (ASK 47)

  NASA in the News The nation’s space exploration program took a critical step forward after a successful technical review of the core stage of the Space Launch System (SLS), the rocket that will take astronauts farther into space than ever before.

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The NASA Viz app shares scientific stories through images, animations, articles, and more.
Scientific Visualization: Where Art Meets Science and Technology

By Helen-Nicole Kostis and Don Cohen At the start of the video, we see a bright sliver of Earth against a background of the star-speckled blackness of space.

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This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007
On the Cover (ASK 47)

This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007, produced using model output from the joint Massachusetts Institute of Technology (MIT)/Jet Propulsion Laboratory project: Estimating the Circulation and Climate of the Ocean, Phase II, or ECCO2. ECCO2 uses the MIT general circulation model to synthesize satellite […]

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In This Issue by Don Cohen
In This Issue (ASK 47)

Don Cohen, Managing Editor   In his “From the Academy Director” column, Ed Hoffman argues that political and social skills are essential to carrying out ambitious projects.

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From the Academy Director: Projects Built Around People and Networks

By Ed Hoffman   What is the most likely culprit in failures to meet grand societal challenges? How do we understand and address the increasing complexity of missions? To rephrase those questions in more general terms: What poses the greatest risk to projects?

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Joint- and muscle-driven versions of the squat-exercise biomechanics modules integrated with the ARED/VIS module.
The NASA Digital Astronaut Project

By Lealem Mulugeta and DeVon Griffin   Conducting human missions beyond low-Earth orbit to destinations such as asteroids and Mars will require substantial work to ensure the well-being of the crew.

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