The Japanese moon lander gets back to work after the sun reaches its solar panels

This image provided by the Japan Aerospace Exploration Agency shows an image taken by a Lunar Excursion Vehicle of a robotic moon rover called Smart Lander for Investigating Moon, or SLIM, on the moon. (AP)

TOKYO — A Japanese moon explorer is up and running Monday after several tense days without the sunlight it needs to generate power.

Japan's first lunar mission hit its target in a precision touchdown on Jan. 20, but landed the wrong way up, leaving its solar panels unable to see the sun.