A black moon also refers to the new moon phase itself when the moon is positioned between Earth and the sun, making it nearly invisible from our view. The black moon is a new moon in Capricorn, an Earth sign associated with ambition, professional goals, societal structures and authority, according to Thomas.

On Monday, observers of the skies will once again have the opportunity to experience a rare "black moon." There was already a black moon on December 1, which makes this celestial phenomenon extremely rare.

Is the black moon really black? Everything to know about the rare black moon and when to watch the rare celestial event.

A rare Black Moon will rise at the end of the year, and it will give both professional and amateur astronomers a great opportunity to view some far-away celestial bodies.