科学与环境

This mysterious hole on the Moon may open into a giant cave

来源: All Top News -- ScienceDaily · 发布于

NASA has selected the GIMLI project to investigate whether the Marius Hill Pit opens into a vast underground cave or lava tube. Using radar, seismic sensors, gravity measurements, and cameras, researchers will search beneath the lunar surface and estimate the size of any hidden v

NASA has selected the GIMLI project to investigate whether the Marius Hill Pit opens into a vast underground cave or lava tube. Using radar, seismic sensors, gravity measurements, and cameras, researchers will search beneath the lunar surface and estimate the size of any hidden void. Such caves could preserve clues to the Moon’s volcanic history and potentially provide protected shelters for future astronauts.

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Who Owns the Moon?
国际新闻

Who Owns the Moon?

A treaty from the 1960s declared that nobody can own outer space. Half a century later, billionaires and superpowers see fortunes to be made nonetheless.

NYT > World News ·

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科学与环境

The “glue” holding your cells together has a surprising second job

Scientists have discovered that E-cadherin, a protein best known as the “glue” holding cells and tissues together, has a surprising second job: helping epithelial cells swallow nearby dead cells. Using live zebrafish and mouse embryos, researchers found that cells can dramaticall

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