Multiple reports say a spent SpaceX rocket stage is expected to collide with the Moon, with impact speed estimates varying by source but both describing a very fast, predicted event. Stuff.co.nz reports the stage is expected to strike the lunar surface at up to about 8,700 kilometres per hour (around 5,400 mph) and estimates the impact could be roughly equivalent to an explosive yield of about three tons of TNT. TechRadar similarly describes the impact as occurring at about 5,400 mph (around seven times the speed of sound), stressing that the crash is not a deliberate mission landing but an unplanned stage re-entry that was nevertheless anticipated. Both accounts frame the event as something scientists can observe rather than a surprise. TechRadar also notes that two lunar orbiters are expected to monitor the crash, indicating that observational coverage is planned in advance. Together, the articles portray a controlled-by-prediction scenario: the crash timing and trajectory are known well enough for tracking, and the expected energy is high enough to produce a significant impact event that NASA and other observers may study.