What a nearby kilonova would look like
Physicists imagined what we’d see if two neutron stars merged 1,000 light-years from Earth

NEARBY NOVA A kilonova — the bright burst following a crash between two neutron stars — would shine brighter than the stars over the New York City skyline, even during the day. This simulated image shows the kilonova after one day (left) and after seven days (right).
N. Gupte, I. Bartos/arXiv.org 2019, King of Hearts/Wikimedia Commons (CC-BY-SA-3.0)