A brief introduction to the immense collections of stars called galaxies.
Discover how galaxies are classified and how we know many harbour supermassive black holes at their centers.
Learn how clues on the nature of galaxies ('milky objects') were gradually uncovered, including of our own Milky Way.
How many galaxies are there in the Universe and how are they distributed across space?
Full-length preview below.
Duration: 14 min
KS3 - KS5 / Adults