Luna 2 2" itself. Once "Luna 2" was split from its upper stage it started transmitting information back to Earth using three different transmitters. These transmitters provided precise information on its course, allowing scientists to calculate that "Luna 2" would hit its mark on the Moon around 00:05 on September 14 (Moscow Time). In order to be able to provide a visual from Earth on September 13, the spacecraft released a vapor cloud that would expand to diameter that would be seen by observatories in Alma Ata, Byurakan, Abastumani, Tbilisi, and Stalinabad. This vapor cloud also acted as an experiment to see
Object to Be Destroyed "Qualite Excelsior" company. The other element is a small cutout of a black-and-white photograph of a woman's eye. The particular metronome is a mass-produced product that might be commonly found in many homes. It was probably secondhand when Man Ray reconfigured it as an art object, as it is marred, worn, missing minor parts and stands on mismatched feet, though its mechanism is in fair working order. Its box is made of wood, but its internal elements are made of metal. (Illustration here.) Its front door was removable. The original "Object to Be Destroyed" was created in 1923. (See Readymades