noun a vast expanse that begins where the earth's atmosphere ends
adjective relating to or existing in the outer regions of the atmosphere or beyond
Outer space refers to the vast expanse beyond Earth's atmosphere where stars, planets, and other celestial bodies are located.
Outer space is the target of space missions conducted by various space agencies to explore and discover new information about the cosmos.
Astrophysicists study the properties and phenomena of objects in outer space to understand the universe's origins and evolution.
Technological advancements are crucial for enabling human presence and exploration in outer space, such as spacecraft, satellites, and space stations.
Outer space is often used as a setting for science fiction novels and stories, providing a backdrop for futuristic technology, alien civilizations, and exploration of the unknown.
Astronomers study outer space to understand the universe, observe celestial objects such as stars and galaxies, and make discoveries about the nature of the cosmos.
Aerospace engineers design and build spacecraft that are used to explore outer space, conduct research, and communicate with satellites and other space-based technologies.
Astrophysicists study the physical properties and behavior of celestial objects in outer space, such as black holes, supernovae, and dark matter, to better understand the laws of physics and the origins of the universe.
Scientists at NASA conduct research and experiments in outer space to advance our knowledge of space exploration, develop new technologies, and support missions to other planets and beyond.