i Eons ago, a solar eclipse made people fall to their knees or consider sacrificing some handy victim. Even when you know astronomy, a rare solar eclipse can feel ominous and a lunar one eerie, but the cosmos is full of smaller eclipses most of us don’t see. A distant planet’s orbiting moons can cast their shadows on one another or on their host. It’s that slow cosmic game of dodge ball that … [Read more...]