The cameras of NASA’s Curiosity rover usually look down at the rocks on Mars, divining clues in the minerals of what the planet was like billions of years ago.

Sometimes the rover also looks up. In March, it spotted two eclipses.

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Eclipses on Mars are not quite as total as those sometimes seen on Earth when the moon completely blots out the sun. The two moons of Mars are small: Phobos is 17 miles wide; Deimos is even tinier, just 9 miles in diameter. They only partially block the sun when they pass in front of it.