SPACE — News from the planet Mars shows that a number of sunspots are now facing our Earth. The sunspot, which is 15 times wider than Earth, will soon bombard us with solar flares.
It was so big that the explosion spot was clearly visible from the surface of Mars so that it was able to be imaged by NASA’s robot explorer, Perseverance, last week. According to Spaceweather.comthe giant sunspot, AR3576 stretches end to end for more than 200,000 kilometers and contains at least four dark cores each larger than Earth.
Not only from Mars, these very large sunspots can be seen from Earth without requiring complicated viewing equipment. Just wear certified eclipse glasses and look up.
Sunspots are dark areas that are not as hot as other parts of the sun’s surface. Sunspots cause eruptive disturbances such as solar flares and coronal mass ejections (CME), namely the release of large amounts of plasma and the sun’s magnetic field.
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The frequency and intensity of sunspots visible on the surface indicate the level of solar activity at a particular time during the 11-year solar cycle. As we approach solar maximum or highest activity levels towards the end of the year, sunspot regions like AR3576 become more frequent.
The magnetically complex sunspot is already filled with M-class solar flares. The National Oceanic and Atmospheric Administration (NOAA) estimates that the sunspot could pose a threat from X-class solar flares, the most powerful type of solar flare.
Sunspot AR3576 as seen by NASA’s Solar Dynamics Observatory. Photo: NASA / SDO and science team.
Solar flares are triggered when magnetic energy builds up in the sun’s atmosphere and is released in a burst of intense electromagnetic radiation. They are categorized based on their size, classes A, B, C, M, and X. Each class is 10 times different from the other classes.
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Class M flares are 10 times smaller than class X. Meanwhile, class A flares are so weak that they can have a significant impact on Earth.
Strong solar flares can also be accompanied by CMEs. When CMEs hit Earth, they can disrupt the magnetosphere, resulting in geomagnetic storms. In turn, it will create more stunning aurora displays closer to the equator than would normally occur under normal conditions.
Solar energy and space weather scientists keep a close eye on the sun because energetic solar flares and CMEs can be a problem for satellites in space. In fact, it can damage electronic technology on Earth.
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2024-02-09 11:58:00
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