noun
astronomical phenomenon; celestial event
General term for observable events in the sky, such as eclipses, meteor showers, planetary conjunctions, and comets.
今夜は珍しい天文現象が見られるそうです。
I hear that a rare astronomical phenomenon can be seen tonight.
日食は代表的な天文現象の一つです。
A solar eclipse is one of the representative celestial events.
Compound of 天文 (astronomy) and 現象 (phenomenon).