Fig. 2


Sky distribution of all Gaia DR1 sources in Galactic coordinates. The source density is shown with a grey scale chosen to highlight both the impressive amount of detail in the outlines of the well-known dust features along the Galactic plane, and the non-astronomical artefacts in the source distribution (see text). Image credits: CENTRA University of Lisbon (part of the DPAC-CU9 visualisation team).

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