- Why do telescopes have a big radius of curvature?

Discover Questions

Find the perimeter of a circular sector with a radius of 5 meters and an area of 17 square meters.? Please help quick? Why is the curl of a vector field F not orthogonal to F? How many kilometers in a meter? How many stars are there in a large globular cluster? I need help with 2 unusual factoring problems. Problem 1: 4x^4+32x^3+47x^2-8x-12
Problem 2: x^6 - x^4 - x^2 + 1?