pericynthion การใช้

• The maneuver was successful, decreasing the craft's pericynthion to.
• During the Apollo program, the terms " pericynthion " and " apocynthion " ( referencing Cynthia, an alternative name for the Greek Moon goddess Artemis ) were used when referring to the Moon.
• The descent engine was used again two hours after pericynthion, the closest approach to the Moon ( " PC + 2 burn " ), to speed the return to earth by 10 hours and move the landing spot from the Indian Ocean to the Pacific Ocean.
• Therefore, the first order of business was to re-establish the free-return trajectory with a 30.7-second burn of the DPS . The descent engine was used again two hours after pericynthion, the closest approach to the Moon ( " PC + 2 burn " ), to speed the return to Earth by 10 hours and move the landing spot from the Indian Ocean to the Pacific Ocean.