First time since 1972, humans leave Earth orbit: Artemis II astronauts head for the Moon; what comes next?
Artemis II was launched on Thursday. In a major leap for human spaceflight, Nasa’s Artemis II mission successfully executed a critical engine burn late Thursday, sending its crew out of Earth’s orbit and onto a path toward the moon.The trans-lunar injection took place about 25 hours after liftoff, placing three American astronauts and one Canadian…