Home Science Asteroid news: ESA warns 'TWO MILLION' rogue space rocks remain undetected

Asteroid news: ESA warns 'TWO MILLION' rogue space rocks remain undetected

This is because they are simply very hard to see, due to their relatively small size and dark colour.

This category of asteroids can consequently only become observable as they barrel close to Earth.

In fact, this summer saw a hitherto-unknown space rock passing our planet at a distance of 6 million miles (10 million km).

Although this may seem like a long way away, this is actually only 26 times the distance to the Moon.

Source:Daily Express :: Science Feed

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