Primary objective of this lecture is to present Exploring Space with an Astronaut. Here briefly focus on astronaut; shuttle; experiment; telescope and gravity. Astronaut is a person who has been trained to fly a spaceship. Shuttle is a spacecraft with wings, which can orbit the Earth, land like an airplane, and be used again. Orbit is the path of something like a spacecraft or planet around something in space, such as Earth or the sun. Meteorite is a piece of stone from space that hits something.