After reaching deep space haven, Webb telescope begins 5 months of fine-tuning | Science

NASA’s flagship James Webb Space Telescope has arrived at its destination. After unfolding the carefully packed observatory during its monthlong journey, controllers today briefly fired Webb’s thrusters to put it into a “halo orbit” around L2, a gravitational balance point 1.5 million kilometers from Earth. Far from the heat and hubbub of low-Earth orbit, L2 … Read more