Calendar

Autumnal Equinox

Fall begins with the autumnal equinox - in the Northern Hemisphere, it's the September equinox; in the Southern Hemisphere, it is the equinox in March.

Uranus at Opposition

Uranus will be in opposition to the Sun on this date; this is when the Earth is positioned between the Sun and Uranus. 

Ursids Meteor Shower

The Ursids peak just before Christmas with rates of 5-10 meteors per hour during the late morning hours.

Earth at Perihelion

Earth will be at the closest point in its orbit around the Sun on this date - 91,403,034 miles.