Using the postulate that the speed of light is the same in all inertial reference frames demonstrate that "moving clocks run slow" (time dilation) and that the measured length of a moving object in the direction of motion is shorter than that same length of the object's in an inertial frame in which the object is at rest.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Argon, neon, and xenon are examples of

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.