Sharmila is a Seattle-based science journalist. She found her love for astronomy in Carl Sagan's The Pale Blue Dot and has been hooked ever since. She holds an MA in Journalism from Northeastern University and has been a contributing writer for Astronomy Magazine since 2017. Follow her on Twitter at @skuthunur.
"Fresh analysis of the bits of our moon, brought home by Apollo 17 astronauts, has suggested our moon is 4.46 billion years old — 40 million years older than we previously thought. That puts the moon's birth at 108 million years after the solar system formed; previous estimates had placed it within 60 million years. The scientists behind the analysis say a more precise age helps us better understand the history and evolution of the moon, as well as Earth."The space.
Reference paper, Chemical heterogeneities reveal early rapid cooling of Apollo Troctolite 76535, https://www.nature.com/articles/s41467-021-26841-4, 14-Dec-2021."Abstract The evolution of the lunar interior is constrained by samples of the magnesian suite of rocks returned by the Apollo missions. Reconciling the paradoxical geochemical features of this suite constitutes a feasibility test of lunar differentiation models.
The Chinese reported 2 Gyr ages in their samples, https://forums.space.com/threads/chinese-moon-missions-sample-haul-includes-exotic-volcanic-rocks.59433/
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