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

ASTRONOMICAL definition: 1. connected with astronomy, the scientific study of the universe and of objects that exist…. Learn more.

Gamma ray astronomy observes astronomical objects at the shortest wavelengths (highest energy) of the electromagnetic spectrum. Gamma rays may be observed directly by satellites such as the Compton Gamma Ray Observatory, [96] or by specialized telescopes called atmospheric Cherenkov telescopes.

ASTRONOMICAL meaning: 1. connected with astronomy, the scientific study of the universe and of objects that exist…. Learn more.

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

Define astronomical. astronomical synonyms, astronomical pronunciation, astronomical translation, English dictionary definition of astronomical. also as·tro·nom·ic adj. 1. Of or relating to astronomy. 2. Of enormous magnitude; immense: an astronomical increase in the deficit. as′tro·nom′i·cal·ly adv....

The astronomical unit is used primarily for measuring distances within the Solar System or around other stars. It is also a fundamental component in the definition of another unit of astronomical length, the parsec. [6] One au is approximately equivalent to 499 light-seconds.

Astronomical Events 2026 Check out the dates and times for astronomical events like equinoxes, solstices, meteor showers, eclipses, supermoons, and more.

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

The astronomical unit was originally defined by observations of the mean radius of Earth’s orbit but is now defined as 149,597,870.7 km (about 93 million miles).