Astronomy & Space news

Can you kill a star with iron?

Since the energy required to fuse iron is more than the energy that you get from doing it, could you use iron to kill a star like our sun?

dateSep 29, 2015 in Astronomy
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Comet surface changes before Rosetta's eyes

In the months leading to the perihelion of Comet 67P/Churyumov-Gerasimenko, Rosetta scientists have been witnessing dramatic and rapid surface changes on the Imhotep region, as reported in a paper to be published in Astronomy ...

dateSep 22, 2015 in Space Exploration
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A cosmic rose with many names

This new image of the rose-colored star forming region Messier 17 was captured by the Wide Field Imager on the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile. It is one of the sharpest images showing the ...

dateSep 23, 2015 in Astronomy
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SDO sees sun emit mid-level flare Oct. 1

The sun emitted a mid-level solar flare, peaking at 8:13 p.m. EDT on Oct. 1, 2015. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event. Solar flares are powerful bursts of radiation. ...

dateOct 02, 2015 in Space Exploration
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The fact and fiction of Martian dust storms

For years, science fiction writers from Edgar Rice Burroughs to C. S. Lewis have imagined what it would be like for humans to walk on Mars. As mankind comes closer to taking its first steps on the Red Planet, authors' depictions ...

dateSep 21, 2015 in Space Exploration
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