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But a great one, when you realise who took it and from where.

It’s actually a shot of the transit of Mars’s moon Deimos, (the smallest and outermost one) across the face of the sun. Photographed from the surface of Mars by the rover, Opportunity, on March 4, 2004.

Deimos – photographed by he Mars Reconnaissance Orbiter.

 

Deimos is only about 12.4 km in diameter – pretty small. So it’s an amazing photo – especially when you realise that the rovers weren’t actually designed for this sort of thing.

And here’s an artist reconstruction of the rover Opportunity on Mars.

Artist’s reconstruction of Rover on Mars. Credit: Wikipedia

Thanks to An Astronomical Photo-Op – Brad BlogSpeed.