Extragalactic Distance Database (EDD)
They use stars like a flashlight to light up the distance to other galaxies.
Technical definition
A database that hosts ~400 galaxies with a tip of the red giant branch (TRGB) distance measurement.
They use stars like a flashlight to light up the distance to other galaxies.
A database that hosts ~400 galaxies with a tip of the red giant branch (TRGB) distance measurement.