By Steve Gorman (Reuters) – NASA’s James Webb Space Telescope, designed to give the world an unprecedented glimpse into the earliest stages of the universe, arrived at its gravitational parking spot in orbit around the sun on Monday, almost 1 million miles from Earth. With a final course-correcting maneuver by on-board rocket thrusters, Webb reached its destination at a position of orbital stability between the Earth and sun known as Lagrange Point Two, or L2, arriving one month after launch, the space agency said on its website. The thrusters were activated by mission control engineers at the…