Astronomy & Space news

Sources of the solar wind

The solar chromosphere is the region between the Sun's surface and its hot, million-degree corona. Within this complex interface zone, only a few thousand kilometers deep, the density of the gas drops by ...

Nov 05, 2014
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Living off the land in the final frontier

Safely sending human explorers to and from Mars will be the challenge of a generation. We don't yet know what clues astronauts will uncover in the Martian soil or atmosphere that reveal new knowledge about ...

Nov 05, 2014
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SDO sees a mid-level solar flare: Nov. 3

The sun emitted a mid-level solar flare, peaking at 5:40 p.m. EST on Nov. 3, 2014. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful ...

Nov 04, 2014
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