NASA shares video of galaxies that 'appear to be locked in a cosmic dance'
The National Aeronautics and Space Administration (NASA) has shared a video of two galaxies, NGC 3314A and NGC 3314B, in the constellation Hydra, saying, "The galaxies appear to be locked in a cosmic dance." "They're separated by tens of millions of light-years, with one closer to us than the other," NASA wrote.