THE second Blue Moon of the year will rise in the skies tonight in a rare treat for stargazers across the globe. But is a blue moon actually blue? What makes a blue moon?
Blue moon 2018: Does a blue moon actually turn blue? What makes a blue moon?
THE second Blue Moon of the year will rise in the skies tonight in a rare treat for stargazers across the globe. But is a blue moon actually blue? What makes a blue moon?