English to English Dictionary

Astrobiology

The branch of biology concerned with the study of life in the universe, including the origins, evolution, distribution, and future of life on Earth and beyond.

Astrochemistry

The branch of chemistry that deals with the chemical composition and processes of celestial bodies and the universe.

Astrodynamicist

A specialist in the field of astrodynamics, which involves the study of the motion of spacecraft and celestial bodies under the influence of gravitational forces.

Astrology

The study of the movements and relative positions of celestial bodies interpreted as having an influence on human affairs and the natural world.

Astrometric

Relating to the precise measurement of the positions, motions, and parallaxes of stars and other celestial bodies.

Astrometry

The branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.

Astron

An experimental particle accelerator concept developed in the mid-20th century using a layer of rotating relativistic electrons to create a magnetic field.

Astronomer

A person who studies celestial bodies, such as stars, planets, comets, and galaxies.

Astronomical

Relating to astronomy or the science of celestial bodies.

Astronomical Event

A significant occurrence in the field of astronomy, such as a solar eclipse, meteor shower, or planetary alignment.

Astronomical Phenomenon

An observable event or occurrence in the sky, particularly those related to celestial bodies.

Astronomical object

Any celestial body or entity that exists in space, such as stars, planets, comets, and galaxies.