The sunspot burst was captured by the National Oceanic and Atmospheric Administration (NOAA). Image: Reproduction/NASA/SDO
The beginning of the week was marked by intense solar activity, with a very powerful explosion that led to the appearance of sunspots AR3575. The incident occurred on Monday (2/5), according to solar energy physicist Keith Strong. The explosion reached its peak the next day, causing a temporary blackout of radio communications in parts of Australia and Asia.
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The release of particles from the solar explosion, which took about eight minutes to reach Earth, ionized the upper layer of the atmosphere. This phenomenon has led to radio outages at frequencies below 30 MHz in Australia and Southeast Asia.
This type of solar event is classified as an M4.2 flare, and is known to cause brief interruptions in radio communications in Earth's polar regions, as well as small storms of solar radiation, posing risks to unprotected astronauts.
More solar activity is expected in the coming days. The National Oceanic and Atmospheric Administration (NOAA) indicates a high probability of more M- and X-class solar flares.
What are solar flares?
Solar flares are powerful emissions of electromagnetic radiation from the Sun. They are classified according to their intensity. The strongest are classified as Type General.
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