The resolution of the human eye is 2 ‘. What size objects can an astronaut distinguish on the surface of the Earth from
| November 10, 2020 | Education
The resolution of the human eye is 2 ‘. What size objects can an astronaut distinguish on the surface of the Earth from a spacecraft flying at an altitude of 240 km?
r = Dq / 206 265
r = 240 * 120 / (2 * 10 ^ 5) = 0.144 km = 140 m.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.