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Earth & Space News
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Today's earth & space headlines from the sources selected by our team:

Voyager spacecraft might not have reached interstellar space
In 2012, the Voyager mission team announced that the Voyager 1 spacecraft had passed into interstellar space, traveling further from Earth than any other humanmade object. But, in the nearly two years since that historic announcement, and despite subsequent observations backing it up, uncertainty about whether Voyager 1 really crossed the threshold continues.
Space & Time News -- ScienceDaily, Thu, 24 Jul 2014 14:43:15 GMT

New approach in search for extraterrestrial intelligence: Target alien polluters
Humanity is on the threshold of being able to detect signs of alien life on other worlds. By studying exoplanet atmospheres, we can look for gases like oxygen and methane that only coexist if replenished by life. But those gases come from simple life forms like microbes. What about advanced civilizations? Would they leave any detectable signs? They might, if they spew industrial pollution into the atmosphere.
Space & Time News -- ScienceDaily, Thu, 24 Jul 2014 14:43:15 GMT

Atmosphere of Titan, Saturn's largest moon
An astronomer has published the results of the comparison of his model of Titan's atmosphere with the latest data.
Space & Time News -- ScienceDaily, Thu, 24 Jul 2014 14:43:15 GMT

Probe Scans Comet?s True Shape | Animated Image Set
Imagery from the Rosetta mission has been used to create a visualization of periodic comet 67P/Churyumov?Gerasimenko. The probe insert itself into orbit around the comet in the first week of August 2014.
SPACE.com, Thu, 24 Jul 2014 14:43:15 GMT

WATCH LIVE @ 3 pm ET: How the Hubble Space Telescope Works Webcast
Scientists with the Hubble Space Telescope are hosting a webcast to answer questions about how NASA and the European Space Agency's huge eye in the sky works.
SPACE.com, Thu, 24 Jul 2014 14:43:15 GMT

Rosetta Probe vs. Comet 'Cherry-Gerry' - Size Comparison | Video
The probe is 125 times smaller than its target, comet 67P/Churyumov?Gerasimenko. Rosetta will come within 62 miles of the surface in the first week of August 2014.
SPACE.com, Thu, 24 Jul 2014 14:43:15 GMT

Space sex geckos at risk as Russia loses control of satellite
Several geckos are at risk of a rude return to earth after Russia lost control of a research satellite testing the effect of weightlessness on the small lizards' sex lives.
Phys.org: Astronomy & Space News, Thu, 24 Jul 2014 14:43:16 GMT

New mass map of a distant galaxy cluster is the most precise yet
Astronomers using the NASA/ESA Hubble Space Telescope have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations from Hubble's Frontier Fields observing programme, the map shows the amount and distribution of mass within MCS J0416.1-2403, a massive galaxy cluster found to be 160 trillion times the mass of the Sun. The detail in this mass map was made possible thanks to the unprecedented depth of data provided by new Hubble observations, and the cosmic phenomenon known as strong gravitational lensing.
Phys.org: Astronomy & Space News, Thu, 24 Jul 2014 14:43:16 GMT

Highest-precision measurement of water in planet outside the solar system
A team of astronomers using NASA's Hubble Space Telescope have gone looking for water vapour in the atmospheres of three planets orbiting stars similar to the Sun – and have come up nearly dry.
Phys.org: Astronomy & Space News, Thu, 24 Jul 2014 14:43:16 GMT

Commercial Dream Chaser closer to critical design review and first flight
The winged Dream Chaser mini-shuttle under development by Sierra Nevada Corp. (SNC) has successfully completed a series of risk reduction milestone tests on key flight hardware systems thereby moving the private reusable spacecraft closer to its critical design review (CDR) and first flight under NASA's Commercial Crew Program aimed at restoring America's indigenous human spaceflight access to low Earth orbit and the space station.
Phys.org: Astronomy & Space News, Thu, 24 Jul 2014 14:43:16 GMT

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The top 5 resources
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SpaceRef.com
rank:1
white line spacer SpaceFlight Now
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white line spacer Space Daily
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white line spacer Space.com
rank:4
white line spacer Universe Today
rank:5
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