Posted on 10/16/2024 5:18:20 PM PDT by george76
NASA and NOAA have declared the Sun’s solar maximum, noting increased sunspot activity and heightened solar events that influence Earth’s space weather.
This period is linked to significant geomagnetic storms and aurora displays, with potential disruptions to satellites and communication systems.
Solar Maximum Announced by NASA and NOAA..
During a teleconference on Tuesday, officials from NASA, the National Oceanic and Atmospheric Administration (NOAA), and the international Solar Cycle Prediction Panel declared that the Sun has entered its solar maximum period. This phase, characterized by heightened magnetic activity, could continue for the next year.
The solar cycle is an approximately 11-year period during which the Sun oscillates between periods of low and high magnetic activity. At the cycle’s peak, the Sun undergoes a magnetic flip where its magnetic poles reverse positions—akin to Earth’s North and South poles switching places every decade. This transition marks the shift from a quieter phase to one of intense activity and frequent solar storms.
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Sunspot Monitoring and Solar Activity..
To monitor and forecast the stages of the solar cycle, and ultimately, solar activity, NASA and NOAA track sunspots, which are cooler areas on the Sun’s surface. These spots arise from concentrated magnetic fields and are key indicators of the Sun’s more active regions. These regions of intense and complex magnetic fields are not only visually striking but are also the origins of powerful solar eruptions.
“During solar maximum, the number of sunspots, and therefore, the amount of solar activity, increases,” said Jamie Favors, director, Space Weather Program at NASA Headquarters in Washington. “This increase in activity provides an exciting opportunity to learn about our closest star — but also causes real effects at Earth and throughout our solar system.”
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The solar cycle is the natural cycle of the Sun as it transitions between low and high activity. During the most active part of the cycle, known as solar maximum, the Sun can unleash immense explosions of light, energy, and solar radiation — all of which create conditions known as space weather. Space weather can affect satellites and astronauts in space, as well as communications systems — such as radio and GPS — and power grids on Earth.
Effects of Solar Activity on Earth...
Solar activity strongly influences conditions in space known as space weather. This can affect satellites and astronauts in space, as well as communications and navigation systems — such as radio and GPS — and power grids on Earth. When the Sun is most active, space weather events become more frequent. Solar activity has led to increased aurora visibility and impacts on satellites and infrastructure in recent months.
During May 2024, a barrage of large solar flares and coronal mass ejections (CMEs) launched clouds of charged particles and magnetic fields toward Earth, creating the strongest geomagnetic storm at Earth in two decades — and possibly among the strongest displays of auroras on record in the past 500 years.
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Historical Perspective on Solar Cycles..
Solar cycles have been tracked by astronomers since Galileo first observed sunspots in the 1600s. Each solar cycle is different — some cycles peak for larger and shorter amounts of time, and others have smaller peaks that last longer.
“Solar Cycle 25 sunspot activity has slightly exceeded expectations,”
Oh, I realize that for sure.
Trump’s certain not to be up for re-election in 11 years.
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