Wandering through the realms of the cosmos, pondering its huge vastness

Sunspots 1164 and 1166 — March 4, 2011


Sunspots 1164 (right) and 1166 (left)
March 4, 2011
Taken using MicroObservatory Telescopes
Exposure Time: 00.25 sec.
Edited in MS Office Picture Manager and Picasa 3

2 responses

  1. iam pugeda

    hi, just wondering – what are the effects of sunspots on the earth? do they affect our weather, tides etc?

    March 11, 2011 at 8:01 pm

    • Hi Iam 🙂

      Sunspots are actually the precursors of magnetic activity on the Sun which can accelerate particles near the Sun to high energies, and eject them during flare events and Coronal Mass Ejections (CMEs). It is the CME events, most common when sunspots are in evidence, which travel to Earth in a few days and can interfere with the terrestrial plasma environment, causing magnetic sub-storms, auroral activity, and influence everything from telecommunications to the electrical power grid.

      March 15, 2011 at 12:00 am

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