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Mars gullies likely not formed by liquid water

30 July 2016 Astronomy Now

New findings using data from NASA’s Mars Reconnaissance Orbiter show that gullies on modern Mars are likely not being formed by flowing liquid water. This new evidence will allow researchers to further narrow theories about how Martian gullies form, and reveal more details about Mars’ recent geologic processes.

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New Horizons’ manoeuvres put it on course for post-Pluto rendezvous

8 November 2015 Astronomy Now

NASA’s New Horizons spacecraft, speeding toward deeper space at more than 32,000 miles per hour, has successfully performed a series of targeting manoeuvres that set it on course for a January 2019 encounter with Kuiper Belt object 2014 MU69. This ancient body is more than a billion miles beyond Pluto. The propulsive manoeuvres were the most distant trajectory corrections ever performed by any spacecraft.

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NASA’s New Horizons sees more detail as it draws closer to Pluto

28 May 2015 Astronomy Now

What a difference 20 million miles makes! Images of Pluto from NASA’s New Horizons are growing in scale as the spacecraft approaches its mysterious target. The new images, taken May 8th-12th using a powerful telescopic camera and downlinked last week, reveal more detail about Pluto’s complex and high contrast surface.