Four-ton SpaceX rocket part crashes into the Moon
Times of Israel · LC · trust 55/100
NEW YORK — A four-ton piece of a SpaceX rocket unintentionally crashed into the Moon on Wednesday, a collision that posed no danger to Earth but was expected to leave behind a lunar crater.
Weighing 4 metric tons (4,000 kg), the rocket body was due to hit the moon around 2:35 a.m. ET (0635 GMT), travelling at 5,400 miles per hour (8,690 kph), but none of the spacecraft orbiting the moon were believed to be in a position to capture images of the impact live.
NASA and its Lunar Reconnaissance Orbiter probe and South Korea’s Pathfinder Lunar Orbiter were planning to take images of the site after impact, but it may take days to receive that information.
Scientists and amateur stargazers alike had been looking forward to observing the sunlit plume of rubble and debris created by the smash.
“It might be possible for folks with a telescope to observe the plume of ejecta created by the impact,” said Benjamin Fernando of Los Alamos National Laboratory in New Mexico, the lead author on a recent paper on the anticipated impact.
“It is unclear how bright it will be, which is one of the reasons why we are looking to study this event,” the researcher told AFP before impact.
Assuming all of the propellant is spent, authors of the paper estimate the spacecraft weighs approximately 8,800 pounds (4,000 kilograms).
It was expected to slam into the Moon’s northern hemisphere near the Einstein Crater.
“There is no danger to Earth,” said NASA spokesperson Jimi Russell in a statement.
“NASA will continue to track the booster for training purposes, as well as later observe the impact site for scientific purposes.”
The Falcon 9 rocket made by Elon Musk’s SpaceX firm took off in January 2025, carrying two lunar landers. The booster returned to Earth, but the upper stage stayed in space to push the landers onward.
Generally, for such “high-energy missions,” SpaceX performs a maneuver to make sure the second stage “is safe per the appropriate rules and regulations,” said Julianna Scheiman, director of NASA Science and Dragon Programs at SpaceX, at a Monday news conference.
“We did that,” she continued, but “what has happened is essentially a mixture of solar activity and gravity forces have put it on a path towards the Moon.”
Like many scientists, Scheiman added she was “very excited” to see the impact.
The paper authors encouraged both professional and amateur astronomers to attempt viewing or recording the collision.
“This event provides an opportunity to test a pipeline for localizing impacts on the lunar surface for future seismic experiments, investigating the dust and plume dynamics from impact events on the Moon, and considering hazards from artificial space debris impacts,” wrote the research team.
NASA hopes to soon establish a sustained human presence on the Moon, making it critical to better understand space debris in lunar orbit.
The Moon routinely weathers impact from space debris including meteoroids. Artificial collisions are less common.
In the 1970s, the US space agency carried out deliberate crashes during its Apollo program to collect seismic data.
The rocket stage had been just one of many pieces of “space junk” orbiting Earth.
There are more than 46,000 pieces of space debris weighing a total of 17,000 tons currently in orbit, the European Space Agency said in late July.
Some experts have warned that amassing too much space junk around Earth could lead to a dangerous chain reaction of collisions known as the “Kessler syndrome,” that would spread space debris and shrapnel across vast areas, endangering and limiting space activity.
Times of Israel staff contributed to this report.
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