What scientific advantage does the SPA Basin offer due to its extreme depth?

Answer

It exposes material originating from deep within the Moon's interior, like the lower crust or upper mantle

The incredible energy of the impact that formed the South Pole-Aitken Basin (SPA) was sufficient to penetrate deeply through the Moon's crust. This deep excavation action has brought materials from the Moon's interior, potentially portions of the lower crust or even the upper mantle, to the surface within the basin floor. Accessing this deep material is invaluable for planetary scientists because it provides direct empirical evidence regarding the bulk composition, thermal history, and internal differentiation processes that occurred when the Moon originally formed, circumventing the need for artificial drilling.

What scientific advantage does the SPA Basin offer due to its extreme depth?

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What is the approximate vertical drop depth of the South Pole-Aitken Basin floor below surrounding lunar terrain?Where on the Moon is the South Pole-Aitken Basin primarily located?How wide does the South Pole-Aitken Basin stretch across the lunar surface?What unusual feature is detected beneath the floor of the South Pole-Aitken Basin?What scientific advantage does the SPA Basin offer due to its extreme depth?Which other large impact structures on Mercury and Mars are noted for their colossal scale similar to SPA?What geological consequence results locally beneath the South Pole-Aitken impact point?How does the depth of the relatively fresh Tycho Crater compare to the SPA Basin?What specific elements, such as iron and thorium, identified via orbiters, provide clues about the Moon's differentiation in the SPA region?What is the significance of Permanently Shadowed Regions (PSRs) found near the SPA Basin, such as in Shackleton Crater?
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