A weird fog cloud high above Mars has left researchers scratching their heads.
The boundless crest was at first spotted by astrophysicist in 2012, and came twice before vanishing. Researchers have now examined the pictures and conclude that the fog extending for more than 1,000km, is bigger than any seen some time recently.
Writing in the diary Nature, the analysts accept the crest could be a vast cloud or an extraordinarily blazing aurora.
Nonetheless, they are uncertain how these could have develop in the fragile upper horizons of the Martian climate.
In the first place, I thought there was an issue with the telescope or cam" said famous space Astronomer
"It brings up a greater number of issues than answers," said Antonio Garcia Munoz, a planetary researcher from the European Space Agency.
All over the world, a chain of space experts keep their telescopes prepared on the Red Planet.
They initially detected the bizarre crest in March 2012 high over Mars' southern half of the globe.
Damian Peach was one of the first astronomer to catch pictures of the event.
He told to a famous news channel: "I recognized this projection standing out of the side of the planet. In any case, I thought there was an issue with the telescope or cam.
"Anyway as I checked more photographs, I acknowledged it was a genuine factor - and it was very much an amazement."
The immense, splendid cloudiness went on for around 10 days. After a month, it returned for the same time span. But it’s not have been seen since.
Around the world, the group of researchers has now affirmed the discovering, yet they are attempting to discover an answer.
"We know in this zone on Mars, there have been auroras reported in the recent past" said by European`s astronomer
One hypothesis is that the crest is a mist of carbon dioxide or water particles.
"We know there is mist on Mars, yet mists, so far, have been seen up to an elevation of 100km," said by an astronomer in European space agency
"Also we are reporting a crest at 200km, so it is altogether diverse. At 200km, we shouldn't see any mists, the air is excessively thin - so the reality we see it for 20 days altogether is very astonishing."
In other words, this is a Martian form of the northern or southern lights.
Dr. Garcia Munoz told: "We know in this locale on Mars, there have been auroras reported some time recently. Yet the intensities we are reporting are much higher than any auroras seen before on Mars or on Earth.
"It would be 1,000 times stronger than the strongest aurora, and it is hard to settle that Mars has such a serious aurora."
On the off chance that both of these speculations are correct, he said, it would mean our understanding of Mars' upper climate isn't right.
He wishes that by publicize the paper, different researchers may likewise think of clarifications.
On the off chance that they can't, space experts will need to sit tight for the crest to return.
Close-up inspection from telescopes or the space probe that are at present in circle around the Red Planet could help to illuminate this Martian riddle.
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