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Bill Gray
2
source-backed facts
1 publication
Science
science · Space
The Falcon 9 upper stage is projected to impact the moon on Aug. 5, 2026.
“In September 2025, his software for computing orbits analyzed the observations and projected an impact with the moon on Aug. 5, 2026.”
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science · Space
The Falcon 9 upper stage weighs roughly four metric tons and travels at over two kilometers per second.
“It was Gray's work with Project Pluto that got the word out about the roughly four metric ton Falcon 9 upper stage intersection with the moon at over two kilometers a second.”
4 metric ton
more than 2 km/s
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