Fig. 1 (IMAGE)

Moscow Institute of Physics and Technology

Fig. 1

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Earth-based radio interferometers, such as the Very Long Baseline Array in New Mexico, US, enable imaging quasars and determining their coordinates with an unparalleled -- up until recently -- resolution of 1 millisecond of arc or better. However, the launch of Gaia by the European Space Agency promised to make measurements of stellar and galactic coordinates even more precise. Is this true? Let us find out.

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MIPT Press Office

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