STS-129 Mission's Third and Final Spacewalk Concludes

STS-129 image. Image credit: NASA

Robert Satcher and Randy Bresnik performed today's final spacewalk of the STS-129 mission.
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Cassini Sends Back Images of Enceladus as Winter Nears

Cassini flyby of Enceladus

NASA's Cassini spacecraft has sailed seamlessly through the Nov. 21 flyby of Saturn's moon Enceladus and started transmitting uncalibrated temperature data and images of the rippling terrain. › Cassini Section | › Cassini's Big Sky

 

The Crab Nebula: A Cosmic Icon

Chandra Image of the Crab Nebule. Image Credit: X-ray: NASA/CXC/SAO/F.Seward; Optical: NASA/ESA/ASU/J.Hester & A.Loll; Infrared: NASA/JPL-Caltech/Univ. Minn./R.Gehrz

A star's death was observed on Earth as the supernova of 1054 A.D. Almost a thousand years later, a neutron star left behind by the explosion spews out high-energy particles into the expanding debris field known as the Crab Nebula. › Read More

 

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