description Theophilus Overview
Theophilus is a large impact crater on the Moon’s inner nearside. Its significance lies in its exceptional preservation of a complex geological structure. The crater boasts a diameter of approximately 100 kilometers and features dramatically terraced walls rising from a central peak. Scientists study Theophilus to understand early solar system impacts, lunar formation processes, and the evolution of planetary surfaces.
It is primarily of interest to geologists and astronomers researching the Moon’s history.
help Theophilus FAQ
Where is the Theophilus crater located on the Moon?
Theophilus is a prominent impact crater located on the Moon's near side, specifically on the northwestern shore of the Mare Nectaris (Sea of Nectar). It is clearly visible from Earth using a standard amateur telescope.
How large is the lunar crater Theophilus?
The crater has a diameter of approximately 100 kilometers (about 62 miles) and features dramatically terraced walls. The crater floor is particularly notable for its massive, central mountain peak that rises roughly 1,400 meters above the floor.
What era of the Moon's history was Theophilus formed in?
Theophilus was formed during the Eratosthenian geological period of the Moon, which lasted from roughly 3.2 billion to 1.1 billion years ago. This relatively recent formation means the crater is exceptionally well-preserved and complex.
What craters are located near Theophilus?
Theophilus sits directly to the southwest of the older, heavily degraded crater Cyrillus, and further southwest of Catharina. Together, these three craters form a prominent, recognizable chain on the edge of the Mare Nectaris.
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