NASA

NASA (National Aeronautics and Space Administration): The United States government agency responsible for the nation's civilian space program and for aeronautics and aerospace research.

Space Shuttle: A reusable spacecraft developed by NASA that was used for human spaceflight missions from 1981 to 2011.

Apollo Program: A series of missions conducted by NASA in the 1960s and 1970s, with Apollo 11 being the first successful mission to land humans on the Moon in 1969.

International Space Station (ISS): A space station in low Earth orbit where astronauts from various countries conduct scientific research and experiments.

Mars Rover: A series of robotic vehicles sent by NASA to explore the surface of Mars, including the famous rovers like Spirit, Opportunity, Curiosity, and Perseverance.

Hubble Space Telescope: A space telescope launched by NASA in 1990, known for capturing stunning images of distant galaxies and nebulae.