the astronaut is riding a horse.

Prompt 1: depicts an astronaut in a white spacesuit and helmet riding a white horse on an unfamiliar planet's surface. the astronaut and horse are in motion, and the surrounding environment consists of rocky mountains and a blue sky with stars. the astronaut is determined to reach their destination, while the horse is galloping forward to carry them. the scene is reminiscent of a sci-fi film, with a sense of adventure and exploration.

Prompt 2: an astronaut wearing a white spacesuit and helmet while riding a white horse through an alien landscape. the man and the horse are in motion, with the astronaut's destination likely being a distant point on the horizon. the horse is galloping forward, and the surrounding environment consists of rocky mountains and a blue sky with stars. conveys a sense of adventure, exploration, and determination.