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The "volcanic vortex rings", a rare phenomenon that is generated by the combination of rapid gas release and the vent shape, spewed out of a new crater that opened on Tuesday on Etna's summit.
originally posted by: FlyersFan
We've got a full solar eclipse going on, and a comet coming through called 'The Devil Comet', had an earthquake today where we usually don't get them, so why not add a supernova to the mix? Sounds like fun. Unlike the eclipse and comet and earthquake, a supernova is supposed to be a good omen. It is thought that the 'Star of Bethlehem' might have been a supernova. This supernova is expected between now and September. So keep an eye open for more information coming as it happens ... and keep an eye on the sky.
Star Map at the link -Naked Eye Supernova Erupting in the T Coronae Borealis
The stellar eruption will take place in a system called T Coronae Borealis, which is 3,000 light-years away from Earth. It contains two stars: a dead star, also known as a “white dwarf,” closely orbited by a red giant. Red giants are dying stars that are running out of hydrogen fuel in their cores; the sun in our solar system will eventually become one, according to NASA.
In systems like T Coronae Borealis, the two stars are so near to each other that matter from the red giant is constantly spilling onto the surface of the white dwarf. Over time, this builds up pressure and heat, eventually triggering an eruption.
At its peak, the eruption should be visible to the naked eye, Schaefer said: “It’s going to be bright in the sky, so it’ll be easily visible from your backyard.”
Astronomers predict that the nova explosion could happen anytime between now and September. The last time this particular star system erupted was in 1946, Schaefer said, and another eruption will likely not occur for another 80 years or so.
Astronomers around the world are monitoring activity in the T Coronae Borealis system. Once an eruption is detected, Schaefer said, the best and brightest views will likely come within 24 hours, when it reaches roughly the same brightness as the North Star. The outburst may remain visible to the naked eye for a couple of days before it begins to fade.
Even after it dims, skywatchers will likely still be able to spot the eruption for around a week using binoculars, according to NASA.
originally posted by: gortex
Because that's the world we live in now , it's been happening since Wednesday.
The "volcanic vortex rings", a rare phenomenon that is generated by the combination of rapid gas release and the vent shape, spewed out of a new crater that opened on Tuesday on Etna's summit.