Starwatch: the September night sky
The Sun is tracking southwards at its fastest for the year when it crosses the celestial equator at the autumnal equinox on the 23d. As darkness arrives earlier, the daily westwards shift of our evening…
The Sun is tracking southwards at its fastest for the year when it crosses the celestial equator at the autumnal equinox on the 23d. As darkness arrives earlier, the daily westwards shift of our evening…