SOLOPOS.COM – Matahari. (Intelligent Living)
Solopos.com, JAKARTA – The United States or US space agency, NASA, warned of a solar storm that would make the earth feel hot.
Researchers say the sun experienced a sudden spike in activity with a significant increase in the number of sunspots sending plumes of hot plasma into space. The impact is expected to be felt by the earth in the form of a geomagnetic storm that triggers a radio blackout.
The surface of the sun is filled with dark spots called sunspots whose magnetic fields are very strong and in the last week, the number of black spots has increased tenfold and is said to be spewing out several coronal mass ejections (CME).
A report says one of these CMEs is a massive release of plasma clouds from the Sun’s corona at high speed expected to hit our magnetic field and atmosphere late on November 25.
The sun can also send out solar flares which are bright bursts of electromagnetic energy. “Solar flares and CMEs are caused by the sun through its magnetic field being twisted and compressed by the sun’s motion,” Daniel Brown, a professor of astronomy and science communication at Nottingham Trent University in the UK, wrote Wion as quoted from Business.
He added that solar flares are the release of large amounts of light triggered by changes and rearrangements of the sun’s magnetic field. This will usually go hand in hand with the release of CME. But it takes a day or more for the particles to arrive, while light and radiation reach us in just 8 minutes.
Report Spaceweather.com said the increase in sunspots began on November 18 when AR3490, the first group of sunspots, appeared on the northeastern side of the Sun. Next, another group of sunspots, AR3491 appeared and is said to have formed a trail behind it. Impact on the Earth CME particles that hit the Earth’s magnetic field and atmosphere trigger geomagnetic storms that cause auroras – the result of disturbances in the Earth’s magnetosphere caused by the solar wind can become stronger and can also be seen at lower altitudes.
“Geomagnetic storms occur when the Earth’s magnetic field is severely disturbed by a solar eruption,” Huw Morgan, head of the Solar Physics group at Aberystwyth University in the UK, told Newsweek.
When a large plasma storm erupts from the sun, and the storm carries a magnetic field in the opposite direction to the Earth’s magnetic field, we experience a ‘perfect storm,’ and an even larger geomagnetic storm.” But apart from painting the sky with beautiful light, geomagnetic storms can also have an impact on infrastructure such as fluctuations and power grid outages and radio blackouts.
This article was published on Bisnis.com by title “NASA Warns of Solar Storms, Here’s the Impact on Earth”
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2023-11-27 08:07:02
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