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gravity

Hang On! Trailer for “Gravity” Previews Spacewalk Disaster Film

May 10, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Yikes! The trailer for an upcoming film “Gravity” is absolutely terrifying. This movie won’t hit theaters until October 4, 2013, so we can expect to see more trailers after this first ‘teaser.” We do know it is directed by Alfonso Cuarón [...]

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Einstein Right Again! Rapidly Spinning Pulsar Follows General Relativity

April 25, 2013

A unique and exotic laboratory about 6,800 light-years from Earth is helping Earth-based astronomers test Albert Einstein’s theory of general relativity in ways not possible until now. And the observations exactly match predictions from general relativity, say scientists in a paper to be published in the April 26 issue of the journal Science. Using ESO’s [...]

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Titan’s Gravity Indicates a Thicker, Uneven Icy Crust

December 6, 2012

Color composite of Titan and Dione made from Cassini images acquired in May 2011. (NASA/JPL/SSI/J. Major) It’s long been speculated that Saturn’s moon Titan may be harboring a global subsurface ocean below an icy crust, based on measurements of its rotation and orbit by NASA’s Cassini spacecraft. Titan exhibits a density and shape that indicates [...]

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Effects of Einstein’s Elusive Gravity Waves Observed

August 29, 2012

Two white dwarfs similar to those in the system SDSS J065133.338+284423.37 spiral together in this illustration from NASA. Credit: D. Berry/NASA GSFC Locked in a spiraling orbital embrace, the super-dense remains of two dead stars are giving astronomers the evidence needed to confirm one of Einstein’s predictions about the Universe. Remove this ad

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Water Balloons in Space

June 30, 2012

As part of his ongoing (and always entertaining) “Science Off the Sphere” series, Expedition 31 flight engineer Don Pettit experiments in orbit with a classic bit of summertime fun: water balloons. Captured in real-time and slow-motion, we get to see how water behaves when suddenly freed from the restraints of an inflated latex balloon… and [...]

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