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NASA


— Space

Solar winds are stealing the Martian atmosphere

What turned Mars from the warm, wet planet that space scientists believe it was in the distant past into the cold, dessicated world of today? NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) is providing part of the answer, as it measures how fast the Martian atmosphere is being lost today. According to the space agency, the culprit is the solar winds, which are slowly stripping away the atmosphere of the Red Planet atom by atom at a rate of roughly 100 gm (3.5 oz) per second and even more during solar storms.

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— Space

Magnetic anomaly that cast doubt on Voyager 1's entry of interstellar space explained

One question that has been vexing space scientists for the past three years is whether NASA's Voyager 1 spacecraft is or isn't in interstellar space. The unmanned explorer was supposed to have passed out of the sphere of the Sun's influence and into galactic space in August 2012, but a magnetic anomaly threw a question mark over the event. Using data from other space missions, a team led by the University of New Hampshire (UHN) has found a clue as to what may have caused the anomaly and produces new insights into the nature of the region where the Solar System and the outer Universe meet.

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