
AMHERST, Mass. – The public is invited to witness sunrise and sunset on the day of the autumnal equinox among the standing stones of the UMass Amherst Sunwheel on Saturday, Sept. 22 at 6:45 a.m. and 6 p.m.
At the gatherings, UMass Amherst astronomer Judith Young will give presentations that include information on the seasonal positions of the Earth, sun and moon, significance of the solstices and equinoxes, phases of the moon, building the Sunwheel, and discussion of other calendar sites such as Stonehenge and Callanish in the U.K. and Chichen Itza in Mexico.