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Earth

Giant Guatemalan 'Sinkhole' Is Worse Than We Thought 357

reillymj writes "Despite hundreds of media reports to the contrary, Sam Bonis, a geologist whose life work has been studying Guatemalan geology, has plainly said that the dramatic 'sinkhole' in Guatemala City that opened over the weekend isn't a sinkhole at all. Instead, he called it a 'piping feature' and warned that because the country's capital city sits on a pile of loose volcanic ash, the over one million people living on top of the pile are in danger. 'I'd hate to have to be in the government right now,' Bonis, who worked for the Guatemalan government's Instituto Geografico Nacional for 16 years, said. 'There is an excellent potential for this to happen again. It could happen almost anywhere in the city.'"
Education

Submission + - Australian Aboriginal Rock Art May Depict Giant Bi (scienceblogs.com)

grrlscientist writes: An Australian Aboriginal rock art may depict a giant bird that is thought to have become extinct some 40,000 years ago, thereby making it the oldest rock painting on the island continent. The red ochre drawing was first discovered two years ago, but archaeologists were only able to confirm the finding two weeks ago, when they first visited the remote site on the Arnhem Land plateau in north Australia.
Space

Submission + - SOFIA Sees Jupiter's Ancient Heat (discovery.com)

astroengine writes: "The flying telescope SOFIA took its maiden flight on Wednesday and its "first light" images have already been released. The cool thing about SOFIA is that it flies high enough (integrated inside a converted 747, taking it to an altitude of 41,000 ft) to carry it above 99% of the atmosphere's infrared-absorbing water vapor. This means that it can collect 80% of the IR radiation orbital telescopes (like NASA's Spitzer) but without the huge cost of being launched into space. Also, SOFIA is expected to last 20 years, many times the operational lifespan of space missions. Already SOFIA has returned stunning results, including the observation of heat leaking through Jupiter's clouds, heat that was generated billions of years ago when the gas giant was forming."

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