In the context of the universe, it is difficult to define a specific shape as the "strongest" since strength can have various interpretations and may depend on the scale and context in which it is being considered. However, I can provide you with information about shapes and structures that are known for their strength and stability.
Sphere: The sphere is often considered one of the strongest shapes in nature. It evenly distributes external forces throughout its structure, making it very resistant to deformation or collapse. Spheres are found in celestial bodies such as stars and planets due to their ability to withstand gravitational forces.
Triangle: Triangles are known for their structural stability. They distribute forces evenly across their sides, minimizing stress concentrations. Triangular trusses and arches are commonly used in architecture and engineering to provide strength and stability to buildings and bridges.
Geodesic Dome: A geodesic dome is a structure composed of interconnected triangles forming a curved surface. This design, popularized by Buckminster Fuller, offers exceptional strength and stability. Geodesic domes are lightweight, yet able to withstand heavy loads and strong winds. They can be found in various applications, including architecture and aerospace.
Carbon Nanotubes: At the nanoscale, carbon nanotubes exhibit remarkable strength. They are formed by rolling up sheets of graphene into cylindrical structures. Carbon nanotubes possess extraordinary tensile strength, stiffness, and resilience. They are being researched for applications in materials science, electronics, and other fields.
It's important to note that the concept of strength can vary depending on the specific conditions and forces involved. The shapes mentioned above are recognized for their strength and stability in different contexts, but the idea of a universally strongest shape is not well-defined in the universe.