When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...
To put that in perspective, the Earth is thought to be about 4.5 billion years old, which means these "rocks"—really ...
When someone asks "How big is an acre?" they usually think about it in terms of measurement. But what is it in real-world ...
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