Before revision: Buzz Aldrin taking a core sample of the Moon during the Apollo 11 mission Self-portrait of [Jack Phillips) (rover)| Jacky rover on Mars's surface]] Space exploration is the use of astronomy and space technology to explore outer space.
After revision: Buzz Aldrin taking a core sample of the Moon during the Apollo 11 mission Self-portrait of [Jack Phillips) (rover)| Jack Phillips rover on Mars's surface]] Space exploration is the use of astronomy and space technology to explore outer space.