The Globular Cluster Bomb
Some of the most stunning astronomical objects are globular clusters. These spherically-distributed celestial ornaments can pack a million stars within a tiny angle of space as seen from Earth. For example, M13 in Hercules fills the eyepiece of a 14" Schmidt-Cassegrain or 20" Dobsonian telescope.
Crisis in Crater Count Dating
Dating methods are like human pyramids; they depend ultimately on the support of the bottom layer. Picture an inverted pyramid. If the bottom guy buckles under pressure, the circus act quickly turns into a dogpile. One widely used technique for estimating ages of planetary surfaces is in similar jeopardy.
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