Deepest articles
What is the most colossal impact feature on the Moon?
Approximately how wide is the SPA basin at its widest extent?
Where is the South Pole-Aitken basin situated almost entirely?
Why is the SPA feature often classified as a 'basin' instead of merely a 'crater'?
What is the deep geophysical signature detected beneath the SPA basin floor?
What element has been found to be enriched in the impact debris, providing clues about the Moon's deep composition?
The age of the SPA impact event is estimated to place its formation within which geological period?
How does the underlying crust exposed by the SPA basin compare to the nearside crust?
What alternative formation hypothesis does new research suggest for the SPA basin, moving away from the standard model?
Why is studying the SPA basin's ejecta blanket particularly valuable for understanding the Moon's internal structure?
When considering impact mechanics, the Moon's crust behaved like what material in the immediate aftermath of the strike that formed the SPA basin?
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?