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4 Billion-Year-old Rock from Earth Discovered on the Moon
Feb 4, 2019 Helen Flatley
Scientists in Australia announced a startling discovery this week when they revealed that a piece of rock brought back by the crew of the Apollo 14 moon landings was actually originally from Earth.
Writing in the journal Earth and Planetary Science Letters, the scientists suggested that the rock may have been part of debris catapulted to the moon from Earth after an asteroid collided with our planet billions of years ago.
According to The Guardian, the rocks were gathered on the Apollo 14 mission, which was launched in 1971 and was the third space mission to land successfully on the moon. Astronauts Alan Shepard, Stuart Roosa and Edgar Mitchell spent several days orbiting the moon conducting scientific experiments and observations, and Shepard and Mitchell took part in a 33-hour space walk on the surface of the moon itself.
In addition, the astronauts brought back over 42kg of rocks with them. This haul of lunar material has provided us with a significant amount of important data about the composition and development of the moon itself.
A Song of Joy by Caroline Furlong 