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NASA Events:

NASA, Japan Release Improved Topographic Map of Earth

NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft.

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Icebrdige Fall 2011 Campaign. Credit: Michael Studinger/NASA

NASA Continues Critical Survey of Antarctica's Changing Ice

Scientists with NASA's Operation IceBridge airborne research campaign began the mission's third year of surveys this week over the changing ice of Antarctica.

› Learn More | › IceBridge Mission Section

NPP inside a clean room at Vandenberg Air Force Base in California. Credit: NASA/30th Communications Squadron, VAFB

NASA Readies New Type of Earth-Observing Satellite for Launch

On Oct. 27, the National Polar-orbiting Operational Environmental Satellite System Preparatory Project, or NPP, will launch, becoming the first Earth-observing satellite to measure both global climate changes and key weather variables.

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Expedition 29 Commander Mike Fossum encouraged students to participate in the YouTube Space Lab contest via a broadcast from aboard the International Space Station. (NASA)

Your Experiment, 250 Miles Above Earth, for the Whole World to See

That is the promise made on the official YouTube Space Lab contest Website. Students will have the chance to envision and design their own experiment with the ultimate prize -- flying it on the International Space Station.

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Galaxies are distorted by dark matter in this Hubble image of cluster MACS 1206. Credit: NASA, ESA, M. Postman (STScI), and the CLASH Team

Ambitious Hubble Survey Obtaining New Dark Matter Census

Hubble's CLASH survey probes the distribution of dark matter in 25 massive clusters of galaxies. Observations of the MACS 1206 galaxy cluster will allow astronomers to construct the most detailed maps ever of dark matter.

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This full view of the giant asteroid Vesta was taken by NASA's Dawn spacecraft, as part of a rotation characterization sequence on July 24, 2011, at a distance of 3,200 miles (5,200 kilometers). Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

NASA's Dawn Science Team Presents Early Science Results

Scientists with NASA's Dawn mission shared with other scientists and the public their early information about the southern hemisphere of the giant asteroid Vesta at the annual meeting of the Geological Society of America in Minneapolis, Minn.  

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Image from the navigation camera on NASA's Mars Exploration Rover Opportunity

Video Documents Three-Year Trek on Mars by NASA Rover

A sequence of images, each taken at the end of a Martian day's drive, and a soundtrack from rover accelerometer data make a unique audio-visual record of a trek on Mars.

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NASA Images

Swirling Landscape of Stars

This swirling landscape of stars is known as the North America Nebula. In visible light, the region resembles North America, but in this image infrared...