Space Physics

Mars’ atmosphere well protected from the solar wind

Present-day Mars is a cold and dry planet with less than 1% of Earth’s atmospheric pressure at the surface. However many geological features indicate the…

Solar wind impacts on giant 'space hurricanes' may affect satellite safety

Yet, in space, similarly small fluctuations in the solar wind as it streams toward the Earth's magnetic shield actually can affect the speed and strength of…

MAVEN observes Mars moon Phobos in the mid- and far-ultraviolet

In late November and early December 2015, NASA's Mars Atmosphere and Volatile Evolution (MAVEN) mission made a series of close approaches to the Martian moon…

Salt flat indicates some of the last vestiges of Martian surface water

The study, published Thursday in the journal Geology, examined an 18-square-mile chloride salt deposit (roughly the size of the city of Boulder) in the…

NASA's MAVEN spacecraft completes first deep dip campaign

“During normal science mapping, we make measurements between an altitude of about 150 km and 6,200 km (93 miles and 3,853 miles) above the surface,” said Bruce…

Swedish instrument will make measurements when a comet passes Mars

“Noone has before made measurements when a comet passes so close by a planet”, says Associate Professor Mats Holmström at the Swedish Institute of Space…

Particles and Fields Package Integrated on Upcoming Mars-Bound Spacecraft

The Solar Wind Electron Analyzer (SWEA) was the last of the six instruments to be delivered, and was integrated late last week at Lockheed Martin in Littleton,…

New report presents research program for solar and space physics over the next decade

This second decadal survey in solar and space physics — the product of a 18-month effort by more than 85 solar and space physicists and space system engineers…

Thin current sheets in space: where the action is

Thin sheets with currents separate large plasma regions in space. Scientists at the Swedish Institute of Space Physics (IRF) have now finally measured the…

Impact atlas catalogs over 635,000 Martian craters

Really beat up, according to researchers who recently finished counting, outlining and cataloging a staggering 635,000 impact craters on Mars that are roughly…

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