Four annotated images showing scale of the galactic core on top of each other.

Galactic Core Scale

This annotated, infrared image from the Hubble Space Telescope shows the scale of the galactic core. The galaxy's nucleus (marked) is home to a central, supermassive black hole called Sagittarius A-star.

Credits: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) Acknowledgment: T. Do, A.Ghez (UCLA),V. Bajaj (STScI)