Equinox


An Analemma of the Sun This week the equinox found the Sun near the middle. More
Equinox: The Sun from Solstice to Solstice Today is an equinox, a date when day and night are equal. More
A Harvest Moon Famed in festival, story, and song the best known full moon is the Harvest Moon. More
Sunset Analemma The Sun reaches the northernmost declination in its yearly journey through planet Earth's sky. More
Milky Way over Pyramid of the Feathered Serpent To see the feathered serpent descend the Mayan pyramid requires exquisite timing More
Astronomy Picture of the Day: Equinox: Analemma over the Callanish Stones Does the Sun return to the same spot on the sky every day at the same time? No. More
Astronomy Picture of the Day: Star Trails and the Bracewell Radio Sundial Sundials use the location of a shadow to measure the Earth's rotation and indicate the time of day. More
Astronomy Picture of the Day: Chicagohenge: Equinox in an Aligned City Sometimes, in a way, Chicago is like a modern Stonehenge More