Speed of Light

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Choose a Guardian. Until end of turn, if that Guardian would progress, you progress instead.
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guardian CaRD

Unsurpassable pace, immutable reference of the universe.

Illustr. Alex Rommel © 2022 Universität Innsbruck

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The speed of light is the ultimate speed limit, even if we tend to perceive speed as a relative concept. For example, you are sitting here reading this text, and you might think you are still. But a friend of yours sitting in a train could say the opposite: for them, you do have a speed! However, no matter who or where you are: in vacuum, light always travels at the same speed. This simple and intriguing fact has tremendous repercussions for the evolution of our universe.

Illustr. Alex Rommel © 2022 Universität Innsbruck

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Why can’t we move through space faster than light in vacuum?

The explanation that the mass of an object increases as it approaches the speed of light is a rather common misconception

Galaxies are moving away from us faster than the speed of light

How is this possible?