Oumuamua breakthrough: Where is the alien asteroid from? Scientists discover SHOCK origin

Oumuamua breakthrough: Where is the alien asteroid from? Scientists discover SHOCK origin

Oumuamua breakthrough: Where is the alien asteroid from? Scientists discover SHOCK origin

"It's really odd that the first object we would see from outside our system would be an asteroid because a comet would be a lot easier to spot", says Jackson, who specializes in planet and solar system formation.

The University of Toronto's Alan Jackson reported Monday that the asteroid - the first confirmed object in our solar system originating elsewhere - is probably from a binary star system.

However, as these researchers investigated further, they found that binary systems (systems with two stars) were quite suitable for expelling objects such as Oumuamua.

And 'Oumuamua was likely booted out during its natal system's planet-formation period, however long ago that may have been, Jackson and his team said. The red-tinged rock is estimated to be possibly 400 metres (1,300 feet) long and zooming away from the Earth and sun at more than 26 kilometres (16 miles) per second.

A new study published in the journal Monthly Notices of the Royal Astronomical Society researched the efficiency of binary star systems to eject objects out of their system.

According to a study conducted by Fabo Feng, an astronomer from the University of Hertfordshire, Oumuamua would come from a group of stars belonging to the Pleiades but scientists don't know much about that group.

They also looked at how common these star systems are in our galaxy.

'Oumuamua, a Hawaiian term for "scout", was discovered by scientists using the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) at Haleakala Observatory on the island of Maui.

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When it was first discovered researchers initially assumed the object was a comet, one of countless icy objects that release gas when they warm up on approaching the Sun. But it didn't show any comet-like activity as it neared the sun, and was quickly reclassified as an asteroid, meaning it was rocky.

In this context, the researchers deduced that more than 75% of the asteroids from outside our Solar System are coming from such binary systems.

As a starting point, Jackson says it's important to understand that in order for an object to be ejected from a star system it needs to interact with something big. But another large object that can easily eject something could be another star.

Major questions about 'Oumuamua remain.

The mysterious object is now speeding towards the outer edge of our solar system and is already too small and faint to be seen by NASA's telescopes.

Jackson said its orbit has the highest eccentricity ever observed for a foreign object passing through our Solar System. But 'Oumuamua probably didn't even come from a system like our own.

Per the researchers, similar to how comets help us understand the planet formation in our solar system, such objects originating from distant solar system helps us understand their formation system which is a great achievement.

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