NASA detects a large sunspot rotating towards Earth

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NASA's Persevarance Rover, on one of its walks around Mars, almost by chance detected an anomaly on the Sun. It is a large black spot on the solar surface that could affect the Earth during the next week.

The sunspot will coincide with our planet from August 28 to September. NASA, which monitors the star 24 hours a day, has already anticipated the growth of the dark region. It also remains on alert for any impact on telecom Phone Number List munications. Although solar flares and their corresponding Coronal Mass Ejection (CME) cannot be predicted, the stellar terrain indicates that they are likely to occur.

Sunspots are cold, temporary regions that appear in the photosphere. They are the result of disturbances in the star's magnetic field derived from its own solar cycle. Every 11 years its polarity is reversed and the magnetic field lines that are generated obstruct the passage of energy in the photosphere. The area where the magnetic line falls becomes colder and that is when sunspots appear. The proliferation of dark regions in stars is a natural part of their life and the phenomenon was discovered as early as 28 BC.

The spots are harmless, the ejecta are not
Dark spots alert those who study space weather because of what they can cause. The hot arcs that generate the phenomenon usually break and release plasma that reaches the Earth. That cloud with solar material is the coronal mass ejection.

The Sun's plasma is composed of hydrogen and helium particles with a very high electrical charge. An EMC can route electrical charges to the Earth and cause disturbances in the Earth's magnetic field. In addition to generating the northern lights in unusual places, the star's high activity has the ability to enter cities' electrical grid cables and destroy transformers.

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Since the 19th century there has been no record of any EMC destructive to human infrastructure. The Carrington Event of 1859 is known as the largest documented event of a magnetic field disturbance on Earth. The storm caused telegraph facilities to catch fire and caused the northern lights in Mexico, Cuba and Colombia. In 1989, another EMC caused a blackout in Canada for 12 hours.



The Sun is not a static and undisturbed body. For this reason, NASA and other space agencies dedicate part of their budgets to missions to monitor it. The recent sunspot that will target Earth at the end of August is the ideal opportunity to test monitoring systems and strategies to protect the electrical grid of the world's major cities.

The Space Weather Prediction Center (SWPC) is one of the places where interested parties can find out about the conditions of the Sun in real time. SWPC forecasters use Earth-based instruments and satellites to scan the star's active regions for changes and issue warnings of dangerous space events.