Universality of free fall from the orbital motion of a pulsar in a stellar triple system
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DOI: 10.1038/s41586-018-0265-1
Abstract: Einstein’s theory of gravity—the general theory of relativity1—is based on the universality of free fall, which specifies that all objects accelerate identically in an external gravitational field. In contrast to almost all alternative theories of… read more here.
Keywords: white dwarf; universality free; system; free fall ... See more keywords