A Shadowed Past

Understanding of moon’s earliest days gets even murkier

By Nadia Drake, 10:28 AM October 6, 2011

Suspended in the sky, the moon has stared unblinking at the Earth for billions of years. But new work suggests the placid sphere’s two faces may belie a violent childhood — one that involved the death of a small celestial companion. The moon may also be lying about when it was born, by millions of years.

Together, the studies, published in August in Nature, lend a somewhat shady character to this perennial source of both fear and inspiration. With the Lunar Reconnaissance Orbiter already ke...

Source URL: https://www.sciencenews.org/article/shadowed-past?mode=magazine&context=4511