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NASA Briefing on New Mars Finding This Afternoon 231

ipsender writes with a NASA announcement: "NASA will host a news briefing on Thursday, Aug. 4, at 11 a.m. PDT (2 p.m. EDT) about a significant new Mars science finding. The briefing will be held at NASA Headquarters in Washington. The new finding is based on observations from NASA's Mars Reconnaissance Orbiter, which has been orbiting the Red Planet since 2006." You can catch the briefing online at the NASA TV site.

A Congressman and an Astronaut Propose a New Plan For NASA 221

MarkWhittington writes "Reflecting a rising discontent with the state of the U.S. space program in the wake of the last space shuttle mission, Rep. Pete Olson, R-Texas, and Apollo astronaut Walt Cunningham have proposed a new space plan that addresses space exploration, the role of commercial space, and reform of NASA."

Scientists Give NASA Planetary Marching Orders 145

coondoggie writes "The community and team of scientists that help NASA prioritize space missions has come out with its exploration recommendations for the next decade: get to Mars, explore one of Jupiter's moons and study Uranus. From the report: 'The gas giants Jupiter and Saturn have been extensively studied by the Galileo and Cassini missions, respectively. But Uranus and Neptune represent a wholly distinct class of planet. While Jupiter and Saturn are made mostly of hydrogen, Uranus and Neptune have much smaller hydrogen envelopes. The bulk composition of these planets is dominated instead by heavier elements; oxygen, carbon, nitrogen, and sulfur are the likely candidates. What little we know about the internal structure and composition of these "ice giant" planets comes from the brief flybys of Voyager 2. So the ice giants are one of the great remaining unknowns in the solar system: the only class of planet that has never been explored in detail.'"

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