Suppose intelligent life is discovered on a planet orbiting a star 5 light years away from the sun. After many years of communication and planning,...

Suppose intelligent life is discovered on a planet orbiting a star 5 light years away from the sun. After many years of communication and planning,…

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Posted on

December 31st, 2021

Question
Suppose intelligent life is discovered on a planet orbiting a star 5 light years away from the sun. After many years of communication and planning, an exchange program is arranged thusly:Interstellar spaceships will be launched simultaneously from each planet toward the other. Both spaceships will travel at v/c=0.6 towards the other planet. To avoid an accidental head on collision, each spaceship will flash an omni directional light beacon at a rate of 10^-6 years(about once every 30 seconds) as measured in the spaceship’s IRF. The beacon will be turned on immediately after launch.1) Neatly draw a Minkowski Diagram for this situation. Label all events and axes.

Question

Suppose intelligent life is discovered on a planet orbiting a star 5 light years away from the sun. After many years of communication and planning, an exchange program is arranged thusly:Interstellar spaceships will be launched simultaneously from each planet toward the other. Both spaceships will travel at v/c=0.6 towards the other planet. To avoid an accidental head on collision, each spaceship will flash an omni directional light beacon at a rate of 10^-6 years(about once every 30 seconds) as measured in the spaceship’s IRF. The beacon will be turned on immediately after launch.1) Neatly draw a Minkowski Diagram for this situation. Label all events and axes.

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