Plato is a lava-filled
lunarimpact crater on the
Moon. It was named after ancient Greek philosopher
Plato. It is located on the northeastern shore of the
Mare Imbrium, at the western extremity of the
Montes Alpes mountain range. In the mare to the south are several rises collectively named the
Montes Teneriffe. To the north lies the wide stretch of the
Mare Frigoris. East of the crater, among the
Montes Alpes, are several
rilles collectively named the Rimae Plato.
The age of Plato is about 3.84 billion years, only slightly younger than the
Mare Imbrium to the south. The rim is irregular with 2-km-tall jagged peaks that project prominent shadows across the crater floor when the Sun is at a low angle. Sections of the inner wall display signs of past slumping, most notably a large triangular slide along the western side. The rim of Plato is circular, but from the Earth it appears oval due to
foreshortening.The flat floor of Plato has a relatively low
albedo, making it appear dark in comparison to the surrounding rugged terrain. The floor is free of significant impact craters and lacks a central peak. However, there are a few small craterlets scattered across the floor.Plato is one of the largest craters of Upper (Late)
Imbrian age.Plato has developed a reputation for
transient lunar phenomena, including flashes of light, unusual colour patterns, and areas of hazy visibility. These anomalies are likely a result of seeing conditions, combined with the effects of different illumination angles of the
Sun.
Source: Wikipedia 
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