Tuesday, 21 November, 2017

Watch a Giant Sunspot Whirl Across the Sun in Incredible NASA Video

Nasa's Solar Dynamics Observatory first detected the huge spot last week, and it appears to have lingered through to this week Nasa's Solar Dynamics Observatory first detected the huge spot last week, and it appears to have lingered through to this week
Garry Little | 15 July, 2017, 00:31

The video, which was recorded by NASA's Solar Dynamics Observatory, is a sped-up timelapse of the sun from July 5th through July 11th.

Cape Canaveral, July14:NASA has discovered a big 75,000 miles wide hole in the Sun, larger than the size of our planet Earth. This gorgeous new video from NASA will do that in about five second, so sit back, relax, and watch a sunspot make our entire planet look like nothing more than a small dot of nothingness.

A huge black spot has appeared on the sun - and NASA has warned that it could blast solar flares towards Earth.

Sunspots are areas of the solar surface with intense magnetic fields, and they're dark because they are relatively cooler than their surroundings (by about 2,000 Kelvin). The video was captured last week between about July 4 and July 11, according to NASA. For at least 15 days straight, the sun was a smooth, golden yellow, an appearance NASA compared to a yolk.

The US space agency explained: "Such sunspots are a common occurrence on the sun, but are less frequent as we head toward solar minimum, which is the period of low solar activity during its regular approximately 11-year cycle".

While the sunspot could be a threat to Earth, it also provides a chance for keen photographers to capture rare images of the sun. Because of the drop in solar activity, the sun was speckle-free for two days before this swirling sunspot appeared.

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