One orbit of the Earth around the Sun is how we measure one year. The Earth spins three hundred and sixty five times in one year. That’s why we have ... shapes of Moon in the sky.

The Sun reaches its southernmost point, the Ursid meteor shower peaks, and the Christmas Tree Cluster glitters in the sky ...

Moon phases reveal the passage of time in the night sky ... and this explains why the waxing becomes better visible a few days after the new moon as the elongation from the sun increases and ...