The Mars Curiosity rover caught the moon Phobos passing in front of the sun as seen from the surface of Mars. Some background here.
Compared to the Earth, the sun appears smaller in the sky as seen from Mars. The Martian moons are much smaller than our moon, about the size of a very large city. But they also orbit much closer to their planet, lower than communications satellites orbiting the Earth.
The other factor in a Martian solar eclipse: don’t get distracted by dust storms or little green aliens. The entire eclipse last less than half a minute, due to the closer orbit of the satellite.
Image credit: NASA/JPL-Caltech/Malin Space Science Systems/Texas A&M University