The impact basin it is located in is 825 kilometers across.

However, it is clearly centered within a large impact basin.

Several enormous, circular impact basins are present on Mars.

Both valleys radiate away from the impact basin to the north.

Most grabens are found within the lunar maria near the edges of large impact basins.

Though the simplest type of drop structure, it is highest in maintenance needs and less safe, with most problems related to the impact basin.

The largest of these is the Hellas impact basin.

Overall, about 15 impact basins have been identified on the imaged part of Mercury.

Poincaré is a large lunar impact basin that lies in the southern hemisphere on the far side of the Moon.

The largest craters of all, more than about 300 km in diameter, are usually called impact basins.