Space penetrator passes test on ice
London: Engineers in the UK have finished testing a projectile technology which they believe could be used to explore the Solar System.
The steel penetrator was fired at a 10-tonne cube of ice to simulate the surface of Jupiter`s moon Europa.
It hit the block at a speed of 340m/s and decelerated rapidly, but its structure remained intact, as did its interior components, the BBC reported.
Researchers said that the penetrator would be a robust and inexpensive way to land instruments on other worlds.
These might be seismometers to study the interior of Mars, or a miniature organic chemistry laboratory to check for microbial activity on icy Jovian satellites.
Scientists envisage several penetrators being deployed at once, carrying perhaps a network of sensors to widely separated locations in the sub-surface.
Being able to get just a few metres down is key, because if life exists anywhere else in the Solar System, it is likely to be buried away from harsh space radiation.
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