Observations from the Westerbork Synthesis Radio Telescope in the Netherlands, along with observations from several other telescopes around the world, helped scientists confirm a principle of Albert Einstein's theory of relativity. | ASTRON

Unique Triple Star System Tests Einstein’s Theory of Relativity

A pulsar orbited by a white dwarf star, which are both orbited by another white dwarf, provide confirmation of the principle of universality of free fall.

Anne Archibald is lead author of research confirming that Albert Einstein's principle of universality of free fall holds even under extreme gravity. | Cees Bassa