You're asking about planets that formed closer to the Sun than Earth! Here's a breakdown:

* Mercury: The closest planet to the Sun. It's a rocky, cratered world with extremely hot temperatures.

* Venus: The second planet from the Sun. It's similar in size to Earth but has a thick, toxic atmosphere that traps heat, making it the hottest planet in our solar system.

Let me know if you'd like more details about Mercury or Venus!