Based on their observations of the world and astronomical phenomena, distinct time-keeping methods were developed corresponding to their religious and cultural practices, which in turn gave rise to ...
Oct. 1, 2024 — Astronomers have discovered an exoplanet orbiting Barnard's star, the closest single star to our Sun. On this newly discovered exoplanet, which has at least half the mass of Venus ...
Spring equinox (around March 20-21): This marks the start of spring in the astronomical calendar. On this day, the Earth’s tilt is such that the day and night are nearly equal. Summer solstice ...