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A dense band of stars, dust, and gas stretches diagonally across a dark blue sky, showing the bright, glowing center of the Milky Way galaxy with dark patches of interstellar dust.

From Past to Present: Highlights from Time-Resolved Photometric Surveys

Marcio Catelan, Pontificia Universidad Catolica de Chile

A swirling black hole surrounded by a bright, glowing accretion disk in deep space, with scattered stars and cosmic dust filling the dark background.

Electromagnetic and Gravitational Wave Signals from Merging Black Holes and Neutron Stars

Black hole-neutron star and neutron star-neutron star mergers are powerful emitters of gravitational waves, and can produce a wide range of bright electromagnetic transients. They also provide us with a remarkable environment to study nuclear interactions in the cold, dense core of neutron stars, and may significantly contribute to the production of many heavy elements whose origin remains unexplained.