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Snapshots of the 120 million particle simulation of two merging dwarf galaxies, which each contain a blackhole, between 6 and 7.5 billion years. (Image: Thomas Tamfal/UZH)

Illuminating the dark matter with gravitational waves

Using Laser Interferometer Space Antenna (LISA), a team of astronomers at the University of Zurich have observed gravitational waves emitted by black holes. These shock...
Calalog of the studied dwarf galaxies' haloes. © 2018 EPFL/LASTRO

Studying dwarf galaxies to get the big picture

Dwarf galaxies don’t emit much light and are therefore hard to observe, but they have a lot to teach us about how the universe...