May 30 presents a perfect opportunity to spot Mare Crisium — a dark Nevada-sized patch — etched into the delicate curve of the crescent moon before it sinks below the horizon around midnight.
Skywatchers in the U.S. will find the moon‘s…
May 30 presents a perfect opportunity to spot Mare Crisium — a dark Nevada-sized patch — etched into the delicate curve of the crescent moon before it sinks below the horizon around midnight.
Skywatchers in the U.S. will find the moon‘s…