What is super moon? Vietnam will welcome super moon at any time in 2018?
in 2017 there is only one super moon, but by 2018 there will be 2 super moons. in fact, the next two full moons appear in january 2018 - will be super moon. so what is superThe extremely rare astronomical phenomenon 'Black Moon' will appear tonight
the sky today (friday, september 30) is an unusual lunar event in the western hemisphere: the second new moon appears in the same month - it is called black moon.