We have heard of the stages of rockets. Have a look through a transparent rocket and understand?

A space suit is the equivalent of a small spacecraft. The main purpose of the space suit is to protect the astronaut from the heat, pressure and ultraviolet rays of space. It can also block particles traveling at 18,000 miles...

For an object to be visible to us, its size must be greater than the wavelength of the light used. Therefore, visible light (400-700 nm) cannot be used to see objects as large as the nanometer range. But it is...