Saudi Gazette report
ARAR — A number of huge sunspots had been noticed within the skies above Arar within the Northern Borders Area on Tuesday night.
Area and Astronomy Membership member Adnan Khalifah mentioned that sunspots are short-term darkish areas on the solar’s floor, cooler than their environment as a result of intense magnetic exercise, inhibiting the traditional movement of warmth. Regardless of their darkish look, they continue to be radiant, and a few exceed earth’s dimension many occasions over.
Khalifah famous that the sunspots noticed this week, together with spots 4195, 4197, and 4199, are among the many largest recorded this 12 months. Every measures tens of hundreds of kilometers in diameter and might be noticed by small telescopes with secure photo voltaic filters. Sunspot exercise can set off photo voltaic flares or geomagnetic storms that have an effect on communications and satellite tv for pc navigation.
Astronomers pressured that learning sunspots is important to understanding the solar’s 11-year cycle, which regulates photo voltaic exercise together with flares and geomagnetic storms. They added that novice observations assist promote scientific consciousness and public curiosity in area research.
