The phrase "celestial phenomena" refers to any unusual or remarkable events that occur in the sky or outer space, such as meteor showers, eclipses, comets, or the appearance of planets. Full definition
Brand - new types of celestial phenomena will unfold over the coming billions and trillions of years (scientificamerican.com)
Enevoldsen works with other celestial phenomena as well orbs that can be read as galaxies, the moon, sun or planets. (elgawimmer.com)
Scouring classical Japanese and Chinese literature — together with tree ring data — reveals new insights into auroras and other celestial phenomena of the past. (sciencedaily.com)