celestial event articles

What time will we see the black moon?

The next highly anticipated celestial marker known as a Black Moon is scheduled for **August 23, 2025** across most of t...

What is the October sky event?

The question of what constitutes "the October sky event" yields two very different, yet equally compelling, answers. For...

What is the apparent path of the Sun along the celestial sphere or equivalently the plane determined by the Earth's orbit called?

The apparent path traced by the Sun across the background stars over the course of a year, which also corresponds to the...

What is the apparent great circle annual path of the Sun in the celestial sphere as seen from the Earth?

The line traced by the Sun across the backdrop of the distant stars over the span of one year defines a fundamental conc...