US Scientists Face Funding Crisis Amid Trump Administration's Executive Orders
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Recent research published in Nature Communications reveals that two grand canyons on the moon, located in the Schrödinger impact basin, were formed by an asteroid impact approximately 3.8 billion years ago. The canyons, Vallis Planck and Vallis Schrödinger, are comparable in size to Earth's Grand Canyon, measuring 280 kilometers and 270 kilometers in length, respectively. "The asteroid’s impact unleashed energy equivalent to 130 times the current global nuclear arsenal," stated David Kring, a geologist at the Lunar and Planetary Institute.
The impact occurred during a period of heavy bombardment in the inner solar system, believed to be caused by gravitational shifts among the giant planets. The process of canyon formation was rapid, taking less than ten minutes as debris was ejected into space before showering back down. This geological event has implications for future lunar exploration, particularly for NASA's Artemis mission, as it could provide easier access to some of the oldest lunar rocks near the south pole, enhancing our understanding of the moon's history.