Definition: An object that is sent into space to orbit around a planet or another celestial body, often used for communication, weather monitoring, or scientific research.

Example: The satellite provided important data about the Earth's climate.

Definition: Relating to or viewed from the center of the moon.

Example: The selenocentric model of the solar system places the moon at its center.

Definition: Relating to the study of the moon and its characteristics.

Example: The selenological research provided new insights into the moon's surface composition.

Definition: The scientific study of the moon and its features.

Example: Selenology helps scientists understand the moon's surface and its history.

Definition: A type of Roman coin that was valued at one sixth of a larger coin called an as, or a constellation located on the celestial equator, which is situated between the constellations Leo and Hydra.

Example: The ancient Romans used a sextans as a small denomination of currency.

Definition: Relating to the position of two celestial bodies that are 60 degrees apart in the sky.

Example: In astrology, a sextile aspect can indicate opportunities for cooperation and harmony between planets.

Definition: A type of meteorite that comes from a planet other than Earth, made up of volcanic rock.

Example: Scientists discovered a shergottite that originated from Mars.

Definition: Related to the stars or constellations; often used in astronomy to describe time or measurements based on the position of stars.

Example: Astronomers use sidereal time to track the positions of celestial objects.

Definition: To become confused or unable to think clearly, often due to distraction or being overwhelmed.

Example: During the lecture, I spaced out and missed important information.

Definition: An area that is empty or available, which can be used for a specific purpose or is simply unoccupied.

Example: There is not enough space in the car for all of us.

Definition: To arrange or organize things with gaps or distances between them.

Example: She decided to space the plants evenly in the garden.

Definition: A vehicle designed to travel or operate in outer space.

Example: The spacecraft successfully landed on Mars after a long journey.