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

In astronomical terms, "metals" refers to elements beyond hydrogen and helium on the periodic table. Having data in a digital format has also enabled us to analyze astronomical objects in ways never …

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 …

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

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

Mar 27, 2026 · Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.

Members of the Astronomical and Astrophysical Society of America pose for a group picture at their 11th meeting, held at the Harvard College Observatory in Cambridge.

Astronomical refers to anything related to astronomy, the scientific study of celestial objects, space, and the physical universe. The term can describe the vast size, quantity, scale or phenomena observed …

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

Feb 21, 2026 · Adjective astronomical (comparative more astronomical, superlative most astronomical) (not comparable, astronomy) Of or relating to astronomy.