In 2019, the summer solstice for the Northern Hemisphere (winter solstice for the Southern Hemisphere) will take place on June 21 at 15:54 UTC; translate UTC to your time . Why does Earth have seasons? It’s natural to think our world’s seasons result from Earth’s changing distance from the […]

Cliquez ici pour lire la suite Video: Watching solstices and equinoxes from space