An out-of-this-world comet, named 2I Borisov, has been filmed hurtling through our solar system at 110,000mph by NASA's Hubble Space Telescope.
The comet was first discovered by Crimean amateur astronomer Gennady Borisov in August but now the Hubble telescope has filmed the comet in startling clarity travelling 260million miles from Earth.
Despite being only the second comet to arrive from outside our solar system, the video shows that it has startling similarities to those neighbouring our nine planets.
Hubble’s footage shows that the dust, structure and chemical composition of the structure looks a lot like those from our own “cosmic neighbourhood”.
For example, the clip shows a halo of dust that is a common feature of comets in our solar system.
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The only other alien comet was Oumuamua, which arrived in 2017 and baffled scientists.
However, this comet, unlike Oumuamua is really active and a lot like a normal comet, NASA said, whereas Oumuamua appeared to be a rock.
In footage of comet 2I/Borisov, it radiates blue and appears to twin many of our own comets.
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This Hubble image, taken on October 12, is the sharpest view of the comet to date.
NASA's footage revealed a central concentration of dust around the nucleus, which is too small to be seen by Hubble.
"Though another star system could be quite different from our own, the fact that the comet's properties appear to be very similar to those of the solar system's building blocks is very remarkable," Amaya Moro-Martin of the Space Telescope Science Institute in Baltimore said.
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The mystery comet's path, it can be seen travelling at about 110,000mph.
Its journey will see it travelling directly through our solar system.
Comet 2I Borisov will then travel through the paths of Jupiter, Saturn, Uranus and Neptune, before disappearing in 2024.
Dubbed "Oumamana 2", the comet will make its closest approach to the Sun on December 7.
By the middle of 2020 the comet will streak past Jupiter's distance of 804 million kilometres on its way back into interstellar space, where it will drift for untold millions of years.
In January of this year, the comet crossed Neptune's path before travelling at a speed of 170,000mph towards our solar system.
2I/Borisov will be easiest to spot from Earth during December and January, but it will remain observable until later in 2020.
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Interstellar comets penetrating through the Solar System had been anticipated for decades.
It is the only second interstellar object known to have penetrated through the Solar System.
The first identified interstellar visitor, officially named Oumamana swung within 30 million kilometres of the Sun before racing out of the solar system.
At the time, there was much conjecture about whether it was a comet before eventually being dubbed an asteroid.
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