'Giant flare': The fraction of a second when half a million years of sunlight flashed Earth
It came from a distant constellation 50,000 light years away - but its impact could be seen with the human eye.
Earth has been zapped by a ‘giant flare’ which was the equivalent of half a million years of sunlight in just a fraction of a second.
So powerful was the energy pulse that it bounced off the Moon and lit up the Earth’s atmosphere, Nasa said.
Blast from afar: Earth was zapped by the equivalent of half a million years of sunlight in just a fraction of a second in December 2004. It came from magnetar SGR 1806-20, a powerful energy pulse that bounced off the Moon and lit up our atmosphere
It came from a neutron star known as a magnetar with an enormous magnetic field which was located on the other side of the Milky Way.
The stars, also known as Soft Gamma Ray Repeaters, usually emit flashes of low energy gamma rays, but sometimes when their magnetic fields re-align they can unleash immense bursts.
As it travelled through space the energy burst jolted thousands of orbiting satellites and ionized the entire upper atmosphere of the Earth, causing it to light up.
The flash was brighter than a full Moon and ‘brighter than anything ever detected from beyond our Solar System,’ according to NASA.
Flashlight: An artist's recreation of how the gamma ray flare expanded from SGR 1806-20 before impacting on Earth's atmosphere
The incredible episode happened on December 27, 2004 and was caused by a pulse from magnetar SGR 1806-20.
‘This might be a once-in-a-lifetime
event for astronomers, as well as for the neutron star,’ said Dr. David
Palmer of Los Alamos National Laboratory in the U.S.
‘We know of only two other giant flares in the past 35 years, and this event was one hundred times more powerful.’
The energy pulse posed no threat to Earth because it was so far away, but were one to happen nearer to us it could be lethal.
Magnetars can cause huge problems if they are even a dozen light years away and it is thought there are a vast number of them or the less powerful neutron stars in the Milky Way.
Over as quickly as it started: The moment the energy burst lit up Earth's atmosphere
Scientists point to the powerful flare issued from star GRB 080319B which was aimed almost right at the Earth and hit on March 19, 2008.
The gamma ray burst was so bright it was visible to the human eye.
‘The next biggest flare ever seen from any soft gamma repeater was peanuts compared to this incredible December 27 event,’ said Dr Bryan Gaensler of the Harvard-Smithsonian Centre for Astrophysics in Cambridge, Massachusetts.
‘Had this happened within ten light years of us, it would have severely damaged our atmosphere.
‘Fortunately, all the magnetars we know of are much farther away than this.’
Most watched News videos
- CCTV captures final tragic moments of Mirna Salihin's life
- Mother shaves daughters hair after she 'bullies cancer girl'
- GRAPHIC CONTENT: 'Ghost' rises from body after fatal crash
- Bulls head butt each other then die instantly from brutal blow
- Shocking moment girl gets viciously beaten after starting fight
- Mother releases devastating footage of son's final moments
- Lorry smashes into car leaving driver with severe injuries
- Is this the creepy moment the corpse of a girl OPENS her eyes?
- 'Big fat gypsy wedding' in Romania goes on for FOUR days
- Groom ALREADY tired of marriage life just after 15 minutes
- 'Pascal's a G!' Kim Kardashian speaks well of her bodyguard
- GoPro captures the moment a croc swims amongst swimmers
The comments below have not been moderated.
The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline.
We are no longer accepting comments on this article.