Moon’s ‘long-lost twin’ is following Mars round like a cosmic pet

An asteroid that follows Mars round positive appears to be like an terrible lot like components of the moon.


Trojan asteroids share the identical orbital path as sure planets, both main forward of the planet or trailing behind. Jupiter is legendary for its many Trojan asteroids, however Mars has just a few of them as effectively. One these Martian companions — asteroid (101429) 1998 VF31 — could possibly be a stunt double for our personal moon.

A workforce led by researchers on the Armagh Observatory and Planetarium (AOP) in Northern Eire took a detailed have a look at asteroid 101429’s composition and drew some fascinating connections to our lunar neighbor in a study set for the January 2021 issue of the journal Icarus.

The planetary scientists used the X-shooter spectrograph on the European Southern Observatory’s Very Giant Telescope in Chile to have a look at how daylight displays off the asteroid’s floor. They analyzed this knowledge and in contrast it with different know house our bodies.

Earlier observations of the asteroid, which trails behind Mars on the identical orbital path, led the workforce to assume it might need the same composition to a standard sort of meteorite. “To their shock, they discovered that the perfect spectral match was not with different small our bodies however with our nearest neighbor, the moon,” said lead author Apostolos Christou in an AOP statement on Tuesday.

Research co-author Galin Borisov with AOP described asteroid 101429 as a “dead-ringer for components of the moon the place there may be uncovered bedrock comparable to crater interiors and mountains.”

So what’s the asteroid’s origin story? The researchers proposed a number of choices. It could really be just like frequent meteorites in spite of everything, however it’s simply been worn down by its house adventures over time. 

It might presumably be a bit of the moon. Christou described the debris-filled early photo voltaic system again when the moon was getting smacked by massive asteroids: “A shard from such a collision might have reached the orbit of Mars when the planet was nonetheless forming and was trapped in its Trojan clouds,” he stated. 

A 3rd thought is that the asteroid was knocked off of Mars via the same influence situation. Christou described this idea as “maybe extra possible.” 

The asteroid stays an open-ended thriller, but when the moon ever wants a stand-in for just a few days, we all know who to name. 

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Anil Kumar

Anil Kumar Gadgets writes for Review Tech smartphones, wearables, headphones and speakers based in Delhi for 360 Tech News. Anil Gadgets is a reviewer for 360 Tech News and has written in detail about smartphones, software updates and upcoming devices.

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