Colossal asteroid could damage thousands of Earth's satellites with ‘bullet speed' rocks if it hits Moon, experts warn
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A COLOSSAL asteroid on a collision course with the Moon could damage thousands of satellites and send shrapnel blasting towards Earth, experts have warned.
Asteroid 2024 YR4 sparked concern earlier this year with fears of a "city killer" incident if it hit Earth directly in 2032.
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The asteroid currently has a 4.3 per cent chance of hitting the Moon
Credit: Getty
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Asteroid 2024 YR4 is currently hiding and won't be seen clearly again until 2028
Credit: Getty
Fortunately, newer estimates put Earth in the clear - instead the Moon is at risk.
Nasa predictions suggest there's a 4.3 per cent chance of the massive asteroid hitting the Moon.
Now scientists say there could still consequences that affect us all the same if it does indeed strike the Moon.
A direct hit would leave a huge 1km-diameter crater on the lunar surface and send millions of kilograms of debris pelting towards Earth.
Dr Paul Wiegert from University of Western Ontario, told AFP that the impact on the Moon's surface would be "comparable to a large nuclear explosion in terms of the amount of energy released".
"A centimetre-sized rock travelling at tens of thousands of metres per second is a lot like a bullet," he said.
Most of the lunar rock would burn up in Earth's atmosphere posing no threat to life on the ground.
But some of that material could blast around Earth's orbit, striking satellites and spacecraft.
Given the increasing number of satellites in lower Earth orbit, this risks damaging satellites used for communications or navigation.
However, there would be some positives too, in the form of a stunning meteor shower.
Why Earth's now SAVED from 'city-killer' asteroid YR4- Expert reveals how odds FLIPPED from 1-32 to 'Threat 0' in days
The research was conducted by Canadian researchers and presented in a paper that's not currently peer reviewed.
"If 2024 YR4 strikes the moon in 2032, it will (statistically speaking) be the largest impact in approximately 5,000 years," the paper warns.
"The resulting meteor shower at Earth could be eye-catching."
Asteroid 2024 YR4 orbits the sun and is currently too far away to be seen properly by scientists.
It's not expected to be visible again until 2028 when experts can reassess the possible impact.
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