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Pounding Headaches for Solar System Dates

It's hard to tell when things crashed into each other.

Cosmic Theater

Cosmologists act less like scientists and more like actors, the more that anomalies threaten their paradigm.

Trouble in Cosmologyland

Underneath the veneer of certainty portrayed by TV documentaries about the universe are deep questions and controversies. Some of these briefly appear on publicly-available news stories, only to be covered by new coats of certainty. Are the new veneers fixing the problems or, instead, whitewashing serious weaknesses in current cosmological understanding? Here are some quick looks under the veneer.
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