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This is an archive of AGU's GeoSpace blog through 1 July 2020. New content about AGU research can be found on Eos and the AGU newsroom.

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7 July 2016

Future astronauts might not be able to use water on Mars, study suggests

Last year, scientists made a splash with the news that dark streaks on the Martian surface were signs of flowing liquid water. So far, they have been unable to determine where the water is coming from, but a new study uses recently acquired data of a large canyon system on Mars to eliminate some of the possibilities.

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5 July 2016

Odd behavior of Jovian moon dust could inform future space missions, search for life

New research into the movements of dust around Jupiter’s four largest moons could help scientists searching for life in our solar system, according to a new study. This moon dust around Jupiter could give scientists clues about the composition of the surface of its satellites.

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21 June 2016

Saturn moon Enceladus’ ice shell likely thinner than expected

A vast ocean of water beneath the icy crust of Saturn’s moon Enceladus may be more accessible than previously thought, according to new research. A new study has revealed that near the moon’s poles, the ice covering Enceladus could be just two kilometers (one mile) thick—the thinnest known ice shell of any ocean-covered moon. The discovery not only changes scientists’ understanding of Enceladus’ structure, but also makes the moon a more appealing target for future exploration, according to the study’s authors.

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2 June 2016

In desert suburb, homes in homeowners’ associations use less water, study finds

A new study finds that in a Phoenix suburb, homeowners’ associations are good for water conservation. According to the study, homes in HOAs in Goodyear, Arizona use up to 17,000 fewer liters of water (4490 gallons) in the peak month of July compared to their non-HOA counterparts, roughly the amount needed to fill eleven hot tubs.

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12 May 2016

Small headwater streams export surprising amounts of carbon out of Pacific Northwest forests

Scientists have tracked a higher-than-expected amount of carbon flowing out of a Pacific Northwest forest from month to month through a small headwater stream, suggesting that forested watersheds may not store quite as much carbon as previously thought.

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28 April 2016

New study explains source of mysterious radar echoes

After 50 years, scientists think they may have cracked one of atmospheric science’s most persistent mysteries. Every day at dawn, an unknown phenomenon appears. Radar waves bounce off of it and return to radar receivers like an echo. Now, a pair of researchers at Boston University hypothesize that the sun could be causing the inexplicable echoes.

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