A SpaceX rocket's upper stage is set to unintentionally crash into the Moon tomorrow, a collision that poses no danger to Earth but will leave behind a lunar crater.

WASHINGTON, Aug 4 - A SpaceX rocket piece floating in space since last year is on track to smash into the moon at high speed early Wednesday morning. Read more at straitstimes.com. Read more at straitstimes.com.

WASHINGTON, Aug 4 - A SpaceX rocket piece floating in space since last year is on track to smash into the moon at high speed early Wednesday morning. Read more at straitstimes.com. Read more at straitstimes.com.

Part of a SpaceX rocket used to launch a pair of robotic commercial lunar landers is expected to crash into the moon early Wednesday morning.

"Essentially, a mixture of solar activity and gravity forces have put it on a path towards the moon."

"Watching this one gives us a rare chance to open up ejecta-plume science and calibrate those models against a real event, which matters for every future thing we deliver to the moon."