Uncovering the nature of dark matter with stellar streams
Dark matter has never been detected, yet gives itself away by its gravitational pull on stars and galaxies. Stellar streams, remnants of smaller galaxies that have been torn apart by the gravitational force of the Milky Way, are particularly susceptible to the effects of dark matter. The EU-funded project GREATDIGINTHESKY will develop analysis techniques to enable scientists to combine data from all relevant astronomical surveys with Gaia’s future data releases. The aim is to identify 100 galactic star streams throughout the project duration. These ground-breaking studies will help scientists test gravity and dark matter theories and probe dark matter substructure and distribution in our galaxy.
Fields of science
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