A curious cold layer in the atmosphere of Venus

(Phys.org)—Venus Express has spied a surprisingly cold region high in the planet's atmosphere that may be frigid enough for carbon dioxide to freeze out as ice or snow.

Enceladus plume is a new kind of plasma laboratory

(Phys.org) -- Recent findings from NASA's Cassini mission reveal that Saturn's geyser moon Enceladus provides a special laboratory for watching unusual behavior of plasma, or hot ionized gas. In these recent findings, some ...

Cassini finds Enceladus is a powerhouse

(PhysOrg.com) -- Heat output from the south polar region of Saturn's moon Enceladus is much greater than was previously thought possible, according to a new analysis of data collected by NASA's Cassini spacecraft. The study ...

NASA trapped Mars Rover finds evidence of subsurface water

(PhysOrg.com) -- The ground where NASA's Mars Exploration Rover Spirit became stuck last year holds evidence that water, perhaps as snow melt, trickled into the subsurface fairly recently and on a continuing basis.

Missing piece inspires new look at Mars puzzle

(PhysOrg.com) -- Experiments prompted by a 2008 surprise from NASA's Phoenix Mars Lander suggest that soil examined by NASA's Viking Mars landers in 1976 may have contained carbon-based chemical building blocks of life.

Solar Cycle Driven by More than Sunspots

(PhysOrg.com) -- Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar cycle. The study, ...

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Journal of Geophysical Research

Journal of Geophysical Research is a journal of the American Geophysical Union. It is often called by its initials, JGR. AGU states that JGR "publishes original scientific research on the physical, chemical, and biological processes that contribute to the understanding of the Earth, Sun, and solar system and all of their environments and components".

The AGU provides subscribers access to electronic versions of nearly all papers published in the JGR from 1994 to the present. In addition, since 1994, the AGU has provided online e-supplements to JGR articles, allowing data sets to be disseminated and archived along with electronic versions of the published articles.

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