Air
pizza
Moving air or wind is difficult to see. The motion of atoms can not bee seen with the unaided eye. One can not see the motion of tectonic plates. In these examples, the phenomena are not visible but one can measure them.
You can use a high-speed camera or motion-tracking technology to detect the movement of the object even if it's too slow to see with the naked eye. These tools can capture and analyze the motion to determine if the object is in fact moving.
They don't know, they just guess
images which we see in moving condition,or images which are in motion are called animated or animations!
Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion. Yes, the grasshopper's compound eyes see motion.
Because motion sensors sense the movement of light, so if its dark, it cant see.
Yes but due to air friction we cant see it free falling.
The 1 way you can tell an object is in motion is by having a focus point that does not move and watch and see if the object you are looking for is moving. Another way to notice where the object is now, then later, check and see if the object has been moving. lastly, if you are a scientist, you can use telescopes, computers, and the latest gadgets to tell you if an object is in motion.
transkatory motion
well, it depends on the aspect. From a street corner view, you may see vehicles moving, or you may see people moving... or both. :)
If you see a clock on a very fast train moving by you, you would observe that the clock appears to be moving faster than normal due to the train's speed. This is because of the relative motion between you and the train.