The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the outer edge of the Solar System that includes Se...
The Pleiades were pretty important for ancient astronomy - they marked the equinox about 4000 years ago, around the time many civilizations were developing.
The Pleiades were pretty important for ancient astronomy - they marked the equinox about 4000 years ago, around the time many civilizations were developing.