Rachmaninoff Crater: Mercury's Mysterious Opposite of Caloris Basin
Yes. Mercury's Caloris Basin, one of the largest impact craters in the solar system, has a mysterious "bullseye" feature called the Rachmaninoff crater directly opposite it on the planet's surface.
Rachmaninoff crater
- Almost directly opposite Caloris Basin on the other side of the planet
- Diameter of about 300 kilometers
- Surrounded by concentric rings
- Thought to be formed by ejecta from the Caloris impact