From the earth observer's point of view in one second the photon will have moved 300 megameters, and the spaceship with astronaut will be 1 meter behind it. Fr

From the earth observer's point of view in one second the photon will have moved 300 megameters, and the spaceship with astronaut will be 1 meter behind it. From the astronauts points of view only 1/300,000,000th of a second will have passed. They are going to smack into the planet and won't even know what hit them. The resulting explosion will make Tunguska look like amateur hour with a whoopee cushion.