You could catch a glimpse of the so-called Snow Moon tonight as it lights the night sky. The full moon is expected to peak at 10.09pm UK time on Sunday, according to the Royal Observatory Greenwich. Even if you miss it, the moon tends to appear full for a couple of days before it moves into its next phase, the Waning Gibbous, when the lighted side appears to shrink. According to NASA , this full moon - the second of the year - got its name from tribes in northeast America, because of the heavy