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NASA's Sun-observing IRIS mission

While it seems static from our vantage point on Earth 93 million miles away, the sun is constantly changing. Under the influence of complex magnetic forces, material moves throughout the solar atmosphere and can burst forth ...

dateDec 01, 2016 in Space Exploration
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Far away, so close

During the last few weeks of its mission, ESA's Rosetta spacecraft ventured closer than it had ever been to Comet 67P/Churyumov–Gerasimenko. Eventually, it came to rest on the surface in a daring descent on 30 September ...

dateNov 14, 2016 in Space Exploration
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