From the first moment a fossil is weathered out of its stony tomb, its days are sadly numbered. Wind, rain, the heat of day and cold of night relentlessly chip away at exposed fossils until they crumble to dust . . . unless a human happens to stumble across them first.
Stay up late tonight (or get up early in the very wee hours) to observe an asteroid block a star, then report what you see for SCIENCE! This only applies to eastern inhabitants of North America, but you're vital to figuring out the shape of this rock & if it has a mini-moon.