Which type of space probe is designed to move around in the surface of a moon or planet a: orbiter b: flyby c: rover d: landerneed asap

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space