Star Points: How fast does light travel, and how do we know?
A lot of times, when sharing views of heavenly objects through a telescope, the question comes up: “How far away is it?” If I know the answer and the target is located outside of our solar system of ...
read more How Do We Know We Have The Speed Of Light Correct?
Compared with intergalactic space, our galaxy is gravitationally dense. Compared with interstellar space, our solar system is gravitationally dense. We know that light waves bend with gravitational ...
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