GIANT ‘HOLE’ SPOTTED ON SUN’S SURFACE. KNOW WHAT IT MEANS FOR EARTH

Thu 30 March 2023:

Scientists from American space agency NASA have spotted a massive black region on the Sun, which is 20 times larger than our Earth, according to a report in Vice News. Called the “coronal hole”, it looks like certain potion of our Sun has disappeared. The appearance of the hole prompted US federal agency NOAA to issue an alert for geomagnetic storms. According to news.com.au, the gaping hole is unleashing solar winds of 2.9 million kmph towards Earth, which will hit our planet on Friday.

The situation is being monitored to assess the impact these solar winds will have on our planet, said the outlet. The continuous flow of charged particles form the Sun are known to impact the Earth’s magnetic field, satellites, mobile phones and GPS.

The coronal hole was discovered by NASA’s Solar Dynamics Observatory (SDO) on March 23 near the Sun’s South Pole.

These holes allow solar wind (or geomagnetic storms) to escape more readily into the space, which are ranked from G1 to G5 – with the latter being the most powerful.

What are coronal holes?

According to NASA, coronal holes appear as dark areas in the solar corona in extreme ultraviolet (EUV) and soft X-ray solar images. They appear dark because they are cooler, less dense regions than the surrounding plasma and are regions of open, unipolar magnetic fields.

These holes can develop at any time and location on the Sun, but are most prevalent and stable at the solar North and South poles.

SOURCE: INDEPENDENT PRESS AND NEWS AGENCIES

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