Astrobiology is the scientific study of the origin, evolution, distribution, and future of life in the universe.

Mars is the most promising candidate for harboring life due to its proximity to Earth, its relatively hospitable environment, and the presence of water.

Exoplanet is the term used to describe a planet that is located outside of our solar system.

The Kepler Space Telescope is specifically designed to search for exoplanets by detecting the slight dimming of a star's light as a planet passes in front of it.

Panspermia is the hypothesis that life on Earth originated from extraterrestrial sources, such as comets or asteroids.

Carl Sagan was a famous scientist and astronomer who was known for his belief in the existence of extraterrestrial life and his promotion of the search for it.

SETI stands for Search for Extraterrestrial Intelligence and refers to the detection of electromagnetic signals from extraterrestrial civilizations.

The Arecibo Observatory was a famous radio telescope used in the search for extraterrestrial signals before its collapse in 2020.

First Contact is the term used to describe the hypothetical first contact between humans and extraterrestrial beings.

E.T. the Extra-Terrestrial is a famous science fiction film that depicts an encounter between humans and extraterrestrial beings.

Astroethics is the term used to describe the ethical and philosophical implications of extraterrestrial life and encounters.

Arthur C. Clarke is a famous science fiction writer known for his exploration of extraterrestrial life and encounters in his works.

Extraterrestrial Arrival is the term used to describe the hypothetical scenario where an advanced extraterrestrial civilization visits Earth.

Independence Day is a famous science fiction film that depicts an alien invasion of Earth.

Interstellar Travel is the term used to describe the hypothetical scenario where humans travel to other planets or star systems.