India, Aug. 5 -- A heavy part of a drifting SpaceX rocket, about the size of a five-floor building, is expected to crash into the moon in the early hours of Wednesday.
The used upper stage of the SpaceX Falcon 9 rocket, weighing around four tons and traveling at about 5,400 miles per hour, has been floating in space since last year.
NASA spokesperson Jimi Russel said the collision between the Moon and the rocket poses no danger to Earth.
She said NASA and SpaceX are tracking the approaching object using ground-based telescopes and space-based assets. Scientists are planning to collect lunar data from the event and refine techniques for tracking objects in space.
Under a commercial mission, SpaceX launched the Falcon 9 rocket on January ...