The richest and most dangerous planet.
This planet is renowned for its valuable mineral resources. It is also known as the diamond planet, as almost all of the rocks that make up the planet are diamonds.
The planet 55 Cancri e has been my interest since I was 10 years old. With a mass eight times greater than Earth, it was only discovered by scientists in 2004. It's quite intriguing because it's believed to be a carbon planet, containing more carbon than oxygen. Interestingly, the side exposed to the planet's "sun" can reach temperatures of 1,700 degrees Celsius, hot enough to melt iron.
Although this is a "rich" planet whose rocks are diamonds that could be very profitable if sold on Earth, it is also very dangerous to visit. The diamonds there are not only found on the surface, but also fall from above like rain. Of course, the diamonds that fall there are not polished diamonds like those found in jewelry stores; they are raw, sharp, and capable of ripping through your skin.
I think that's all I can answer. It's been 7 years since I've been introduced to that planet, so explaining it is difficult because I've forgotten a bit.