Suara.com – National Institute of Aeronautics and Space (Eight) said phenomena white sun or the sun appears to be turning white potentially throughout Indonesia in the next few days.
“Every region throughout Indonesia has the potential to experience solar flares,” said a researcher at the Lapan Center for Science and Space Andi Pangerang when contacted by Antara in Jakarta, Friday (30/7/2021).
He explained that the solar phenomenon is when the sun turns white during the day from sunrise to sunset. According to him, solar pehak generally only occurs in the rainy season, when water evaporation tends to be high so that cloud fog is easier to form.
“Surya pethak can only occur if the air quality at the observation location is not good, and from a meteorological point of view, the location is covered with cloud fog, so the scattering is not as strong as when the sky is clear and clear,” he said.
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Surya pethak can occur, he said, if there is a volcanic eruption and changes in sea water circulation that can affect evaporation and cloud formation.
Literally, he said, Surya Pethak means the sun looks white. Surya pethak can be interpreted as alam sunya ruri or the day is dim as night. The day referred to here is calculated from sunrise to sunset.
According to him, the sun’s rays, which are usually reddish at sunrise and sunset, will turn white, while when the sun rises, the sun’s rays are not so hot because they are blocked by a kind of cloud. The incident can last for seven to forty days at most.
The effect of solar pehak can make the temperature of the earth’s surface colder, so that plants cannot grow optimally and humans will easily shiver.
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