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Articles on Solar system

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New Horizons continues to help unravel the icy dwarf planet’s secrets. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

Picture of Pluto further refined by months of New Horizons data

After last summer’s Pluto flyby, the New Horizons spacecraft started sending data back to Earth – at 2 kilobits per second. Here’s some of what scientists have learned so far from that rich, slow cache.
An artist’s illustration of Kappa Ceti whose stellar winds are 50 times stronger than our sun’s. Any Earth-like planet would need a magnetic field to protect its atmosphere if it was to stand a chance of hosting life. M. Weiss/CfA

What the ‘weather’ is like on a star can help in the search for life

In the search for life on other planets in the universe we need to find the right kind of star, and it needs to have the right kind of space weather.
Mercury in exaggerated colour. The dark blue areas are rich in carbon. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The more we learn about Mercury, the weirder it seems

Recent research explaining why Mercury is so dark raises many new questions.
Artist’s impression: Looking back 12.9-billion km towards the sun and the inner solar system from Sedna, one of the recently discovered minor planets in the Kuiper belt. NASA, ESA and Adolf Schaller

The long hunt for new objects in our expanding solar system

The search for new objects, including new planets, in our solar system has turned up some interesting finds. There have been a few failures over the years too.
NASA’s Juno probe will be the fastest object humanity has ever created when it approaches Jupiter. NASA/JPL-Caltech

Exploring the solar system: the best of what you can look out for in 2016

From the high-speed journey to Jupiter to solar eclipses, meteor showers and planetary alignments visible in the skies above – add these space highlights to your 2016 calendar.

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