Here Comes Ison

Comet Ison is getting a lot of attention as it heads toward the Sun. If all goes well (and there’s no guarantee) Ison will be visible to the naked eye in the evening sky within the next few weeks. All you’ll need is a dark location and no clouds.

Just below is animation produced by the Stereo A satellite which monitors the Sun. The waves moving in from the right are caused by the solar wind.

Seen along with Comet Ison is Comet Encke, a less exciting comet which returns every three years or so.


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