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Over millennia, humans have observed and been inspired by beautiful displays of light bands dancing across dark night skies. Today, we call these lights the aurora: the aurora borealis in the northern hemisphere, and the aurora australis in the southern hemisphere.
Nowadays, we understand aurorae are caused by charged particles from Earth’s magnetosphere and the solar wind colliding with other particles in Earth’s upper atmosphere. Those collisions excite the atmospheric particles, which then release light as they “relax” back to their unexcited state.
The color of the light corresponds to the release of discrete chunks of energy by the atmospheric particles, and is also an indicator of how much energy was absorbed in the initial collision.
The frequency and intensity of auroral displays is related to activity on the Sun, which follows an 11-year cycle. Currently, we are approaching the next maximum, which is expected in 2025.
The largest geomagnetic storm in nearly two decades is hitting Earth's atmosphere. It's producing a beautiful glow in the sky all over the world.
A sunspot has sent a stream of charged particles towards Earth.
As those particles hit the Earth's atmosphere they will be heated and start glowing producing beautiful aurora.
The most active sunspot of Solar Cycle 25, AR3663, has done it again! Launching yet another X-class solar flare as it approaches the sun's western limb. And it's not alone; its sunspot 'cousin' AR3664 also unleashed an X-flare and several M-class solar flares. The pair of sunspots don't look like stopping anytime soon.
The two most recent solar flares erupted from AR3663 and AR3664, respectively. The first occurred at 9:42 p.m. EDT on May 7 (0142 GMT on May 8) and the second just a few hours later at 1:08 a.m. EDT (0508 GMT) this morning (May 8) according to spaceweatherlive.com.
It's hard to keep up with these hyperactive sunspots. Since May 3, AR3663 has spawned five X-class solar flares and over 20 M-flares, far more than any other sunspot in the past seven years according to spaceweather.com.
Solar activity is ramping up as we experience solar cycle 25 and with it comes an increased likelihood of solar storms — a large release of energy in form of solar flares or coronal mass ejections.
originally posted by: xWorldxGonexMadx
a reply to: MrsPixie
Take a look at this and tell me if what you're talking about could have been this... its a very strange weather phenomena which was approaching South Africa ona weather map by Satellite:
Watch from 25mins and 40 secs.
Apparently it was a modelling error ... but was it? Around 10th/11th March.
Can we get off the media hype now and actually investigate for ourselves? Since when is ATS all, "news media said so so it must be so"? If it's changed that that is the general accepted rule law, it needs to change it's slogan and I don't know what I'm doing here, I could have gotten the media hype from my neighbour, thanks.
According to the recent NOAA SWPC discussion, region 3664 has the potential to stay busy through Monday (May 13). High to very high levels of solar activity are expected with an increased likelihood for more flares in the top two classes, M and X. The active region is a massive sunspot complex about 17 times the width of Earth, NOAA SWPC
Of course it's media hyped
Aurora australis has lit up skies across southern Australia after an “extreme” geomagnetic solar storm.
A historic solar storm impacted Earth throughout the night on Friday, 10 May 2023 and continued into Saturday, 11 May 2024. The South African National Space Agency (SANSA) Space Weather Centre issued several G4 warnings and, for the first time since 2003, one G5 warning was issued. The Geomagnetic Storm Scale indicates the severity of geomagnetic storms. It is denoted by a G followed by a number from 1 to 5, with 1 being a minor event, and 5 being an extreme event.