Hubble detects a dangerous galactic dance /phys. org/

Credit: ESA/Hubble & NASA, J. Dalcanton; Acknowledgment: J. Schmidt

This NASA/ESA Hubble Space Telescope image features two interacting galaxies that are so intertwined, they have a collective name—Arp 91. Their delicate galactic dance takes place more than 100 million light-years from Earth. The two galaxies comprising Arp 91 have their own names: the lower galaxy, which looks like a bright spot, is NGC 5953…