7. Maciej Rybicki, How to Distinguish Acceleration from Gravit

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Volume 20: Pages 593-599, 2007

How to Distinguish Acceleration from Gravity

Maciej Rybicki 1

1SasZubrzyckiego 8/27, 30611 Krakow, Poland

An accelerated system represented by a spaceship in free space is investigated from the point of view of an inertial reference system. The two oppositely directed closed paths of light emitted from the midpoint of the spaceship are compared. It appears that, contrary to expectations based on the equivalence principle, the respective travel times are different.

Keywords: equivalence principle, gravitational field, acceleration, speed of light, privileged reference system

Received: December 15, 2006; Published Online: October 7, 2009