Starwatch: Moon to pass close to Mars in Pisces constellation

The close encounter will be seen all around the world, and in much of South America the moon will actually pass in front of Mars

This week, the moon and Mars come together for a close encounter. So close, in fact, that from certain parts of the world, the moon will actually obscure the planet. The pairing takes place in the zodiacal constellation of Pisces, the fish.