6:00 pm - 8:00 pm Honolulu Science Cafe December 17, 2019 @ 6:00 pm - 8:00 pm HST Honolulu Science Cafe We have been able to map the boundaries of the supercluster of 100,000 galaxies that we live in: a structure that we named Laniakea. It is some 500 million light years across, making it one of the largest known features in our Universe. Free