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  • The Sun

    Posted by Michael Hiteshew on May 9th, 2016 (All posts by )

    From NASA TV, here’s an image of Mercury transiting the sun today:

    Mercury Transit

    Mercury Transit

    That image gives a good feel for the scale of the planets versus the sun. Earth would appear a little more than twice that size. Here’s an amazing 4k time lapse video of the sun in various ultraviolet wavelengths. Based on the scale of Mercury in the image above, pick out a small feature in this video and consider the entire Earth would probably fit inside it. Then by comparison, consider the scale and the energies of the loops and streams and mass ejections in this video.

    The video is even more amazing just left running in full screen on an HD monitor . It’s completely mesmerizing.

    NASA Ultra-HD Video Gallery

     

    One Response to “The Sun”

    1. Grurray Says:

      The solar minimum appears to be in full swing