Space-Time Explorer and Quantum Equivalence Principle Space Test (STE-QUEST) was a proposed satellite mission to test the Einstein Equivalence Principle to high precision and search for new fundamental constituents and interactions in the Universe. It was supposed to contain an atom interferometer.
- STE-QUEST ESA summary
- "ESA selects planet-hunting PLATO mission". ESA. 19 February 2014. http://sci.esa.int/plato/53707-esa-selects-planet-hunting-plato-mission/. Retrieved 20 March 2014.
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