Main Page | See live article | Alphabetical index Luna 5 was an unmanned space mission of the Luna program, also called Lunik 5. It was designed to continue investigations of a lunar soft landing. The retrorocket system failed, and the spacecraft impacted the lunar surface at the Sea of Clouds. Launch Date/Time: 1965-05-09 at 07:55:00 UTC On-orbit dry mass: 1474 kg This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.