The observations from the Mars-orbiting mission reveal a new process by which the solar wind can penetrate deep into a planetary atmosphere.
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Browsing Posts in Solar System
Mercury appears to get hit by a periodic meteor shower, possibly associated with a comet that produces multiple events annually on Earth.
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Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet’s nucleus and directly detected the effects on the Martian atmosphere.
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NASA will host a media teleconference at noon EST on Friday, Nov. 7, to provide initial science observations of comet C/2013 A1 Siding Spring’s close flyby of Mars and the impact on the Martian atmosphere.
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NASA will host a news teleconference at 2 p.m. EST Thursday, Nov. 6, to announce discoveries from a sub-orbital rocket experiment that are redefining what we think of as galaxies.
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This composite NASA Hubble Space Telescope Image captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet.
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New maps of Saturn’s moon Titan reveal large patches of trace gases shining brightly just off the north and south poles.
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Peering out to the dim, outer reaches of our solar system, NASA’s Hubble Space Telescope has uncovered three Kuiper Belt objects (KBOs) the agency’s New Horizons spacecraft could potentially visit after it flies by Pluto in July 2015.
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NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has provided scientists their first look at a storm of energetic solar particles at Mars, produced unprecedented ultraviolet images of the tenuous oxygen, hydrogen, and carbon coronas surrounding the Red Planet, and yielded a comprehensive map of highly-variable ozone in the atmosphere underlying the coronas.
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NASA’s Lunar Reconnaissance Orbiter (LRO) has provided researchers strong evidence the moon’s volcanic activity slowed gradually instead of stopping abruptly a billion years ago.
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