Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry to explain their origin and their overall …

The meaning of ASTRONOMICAL is of or relating to astronomy. How to use astronomical in a sentence.

ASTRONOMICAL definition: 1. connected with astronomy: 2. An astronomical amount is extremely large: 3. connected with…. Learn more.

ASTRONOMICAL definition: of, relating to, or connected with astronomy. See examples of astronomical used in a sentence.

1. Of or relating to astronomy. 2. Of enormous magnitude; immense: an astronomical increase in the deficit.

If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.

Astronomy includes the study of stars, but planets and other objects and happenings in space are also part of astronomical studies. Considering how large everything in space is, it makes sense that very, …

Britannica Dictionary definition of ASTRONOMICAL 1 : of or relating to astronomy astronomical research 2 : extremely large

Notable astronomical objects and their known physical features This is a list of lists, grouped by type of astronomical object.

Dec 19, 2025 · Astronomy is the study of objects and phenomena beyond Earth, whereas cosmology is a branch of astronomy that studies the origin of the universe and how it has evolved. For example, …