Solar Dynamics Observatory

ALMA looks straight into the sun

For the human eye, staring straight into the sun is a daunting (and unwise) task. For the ALMA telescope, doing so is a walk in the park, as evidenced by a series of just-released photos. Included in the images is a close-up of a sun spot that's twice the size of our planet.

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NASA peers into huge hole in the sun

While you might think the sun has pretty much just one weather pattern – blistering and violent with a chance of radiation poisoning – it can actually be quite varied. One of the lesser known weather phenomena on the sun's surface are coronal holes, a video of which was just released by NASA.

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