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![Drilling 'space mole' working fine, despite Mars surface proving 'unexpectedly tougher' than thought, says Astronika | Science in Poland Drilling 'space mole' working fine, despite Mars surface proving 'unexpectedly tougher' than thought, says Astronika | Science in Poland](https://scienceinpoland.pl/sites/default/files/styles/strona_glowna_slider_750x420/public/201912/AdobeStock_250944222_0.jpg?itok=dR8jJ891)
Drilling 'space mole' working fine, despite Mars surface proving 'unexpectedly tougher' than thought, says Astronika | Science in Poland
![Turin, Italy. 7th June, 2018. Workers watch as 'Masha' TBM drilling mole breaks through after 690 meters as part of the extension of subway line 1 connecting Turin Metro to Lingotto Building. Turin, Italy. 7th June, 2018. Workers watch as 'Masha' TBM drilling mole breaks through after 690 meters as part of the extension of subway line 1 connecting Turin Metro to Lingotto Building.](https://c8.alamy.com/comp/MYT4A5/turin-italy-7th-june-2018-workers-watch-as-masha-tbm-drilling-mole-breaks-through-after-690-meters-as-part-of-the-extension-of-subway-line-1-connecting-turin-metro-to-lingotto-building-credit-stefano-guidizuma-wirealamy-live-news-MYT4A5.jpg)