Rosetta’s comet selfie still explains the distance between arriving and landing
Philae took the 2014 image while still attached to the orbiter. Two exposures let a spacecraft and a dim comet share the frame.
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Smile starts science with an X-ray challenge still to solve
The mission combines images of Earth’s magnetic environment with local particle measurements. ESA’s latest verified update leaves its stray-light problem unresolved.
Why Japan’s MMX mission wants to bring a piece of Phobos home
Returned grains could distinguish competing origins for Mars’s moons. The spacecraft, Idefix rover and laboratories each supply a different part of the evidence.