Exam: TOEFL

Definition: A type of cell in the brain that has a star shape and supports nerve cells.

Example: Astrocytes play a crucial role in maintaining the health of neurons in the brain.

Definition: In a way that relates to the study of the positions and movements of celestial bodies and their influence on human affairs.

Example: She made her decisions astrologically, believing the stars would guide her choices.

Definition: The scientific study that involves measuring the positions and movements of stars and other celestial objects.

Example: Astrometry is essential for understanding the dynamics of our solar system.

Definition: A person who is trained to travel into space and work on a spacecraft.

Example: The astronaut floated in zero gravity while conducting experiments.

Definition: Relating to the science and technology of space travel and exploration.

Example: The astronautic achievements of the last decade have expanded our understanding of the universe.

Definition: Relating to the science and technology of space travel and exploration.

Example: The astronautical engineering program at the university focuses on spacecraft design.

Definition: In a manner related to space travel or the activities of astronauts.

Example: The mission was planned astronautically to ensure the safety of the crew.

Definition: The study and technology related to traveling in space.

Example: He is studying astronautics to become a space engineer.

Definition: A person who studies stars, planets, and other celestial objects in space.

Example: The astronomer discovered a new planet in our solar system.

Definition: Relating to the science of celestial bodies or extremely large in size.

Example: The costs of the project were astronomic, far exceeding our budget.