Dürer Crater: A Massive Peak-Ring Basin on Mercury
Mercury's scarred surface tells a violent history of cosmic collisions, and few features illustrate this better than the Dürer crater. Located in the Shakespeare quadrangle, this immense structure is more than just a hole in the ground; it is a complex geological formation known as a peak-ring impact basin.
[Photo of Dürer crater (top left) by MESSENGER on its first flyby of Mercury in 2008]
The Nature of a Peak-Ring Basin
Unlike simple bowl-shaped craters, Dürer is classified as a peak-ring impact basin. These occur when a massive impact causes the initial central peak to collapse, creating a concentric ring of mountains instead of a single central point. Dürer is one of 110 such basins identified on the surface of Mercury.
Measuring 195 kilometers in diameter, the crater's scale allows scientists to study the internal composition and structural response of Mercury's crust during high-energy impacts.
[Approximate color image of Dürer crater]
Geological Features and Surroundings
One of the most intriguing aspects of Dürer is the presence of hollows. These are small, shallow, irregular depressions found on and around the central peak ring. Hollows are of particular interest to planetary scientists as they suggest the movement of volatile materials near the surface.
Dürer does not exist in isolation. It is surrounded by other significant impact sites, including the Erté crater to the north and the Glinka crater to the southeast.
[Another view from MESSENGER with Dürer in the foreground]
[Detail of hollows in Dürer crater]
Key Facts
- Diameter: 195 kilometers.
- Location: Shakespeare quadrangle, Mercury.
- Coordinates: 21°54′N 119°00′W.
- Classification: Peak-ring impact basin.
- Naming: Named after German artist Albrecht Dürer (1471–1528).
- Official Designation: Adopted by the International Astronomical Union (IAU) in 1976.
Summary of Dürer Crater Specifications
| Attribute | Detail |
|---|---|
| Feature Type | Peak-ring impact basin |
| Diameter | 195 km |
| Quadrangle | Shakespeare |
| Notable Features | Central peak ring with hollows |
| Nearby Craters | Erté (North), Glinka (Southeast) |
Frequently Asked Questions
Who is the Dürer crater named after?
The crater is named in honor of Albrecht Dürer, a renowned German artist who lived from 1471 to 1528.
What makes Dürer a "peak-ring" basin?
It is called a peak-ring basin because it features a ring of peaks surrounding the center rather than a single central peak, a result of the collapse of the initial impact structure.
What are the "hollows" found in the crater?
Hollows are small, bright, shallow depressions located on and around the central peak ring, indicating unique geological processes on Mercury.
When was the name of the crater officially adopted?
The name was officially adopted by the International Astronomical Union (IAU) in 1976.
Where is Dürer crater located on Mercury?
It is located in the Shakespeare quadrangle at coordinates 21°54′N 119°00′W.