Researchers have released images of the Martian surface at five timesgreater resolution than previously seen, and they didn’t need to send a new camera into space to get them.In February, University College London researchers Yu Tao and Jan-Peter Muller published a paper in Planetary and Space Science detailing an image processing technique that compares several images of the same area of Mars from different angles to glean resolution down to 5cm as opposed to the previous 25cm. On Tuesday, they released images taken from orbit that use the technique to focus on specific Martian objects—including what looks like the long-lost British lander Beagle 2, which was deployed from the Mars Express orbiter in 2003 but failed to make contact on landing.

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