23 avr. 1962 - First American probe to reach the moon (USA)
Description:
Ranger 4 was a spacecraft of the Ranger program designed to transmit pictures of the lunar surface to Earth stations during a period of 10 minutes of flight prior to crashing upon the Moon, to rough-land a seismometer capsule on the Moon, to collect gamma-ray data in flight, to study radar reflectivity of the lunar surface, and to continue testing of the Ranger program for development of lunar and interplanetary spacecraft.Ajouté au bande de temps:
Date:
23 avr. 1962
Maintenaint
~ Il y a 63 ans