The Sloan Digital Sky Survey is most famous for:
A) mapping the stars in the Milky Way galaxy.
B) mapping galaxies over a wide area of the sky.
C) measuring the properties of the first galaxies.
D) measuring the abundance of dark matter in galaxy clusters.

Question

Quizplus · Accepted Answer

The Sloan Digital Sky Survey (SDSS) is best known for mapping galaxies over a wide area of the sky. It has produced the most detailed three-dimensional maps of the universe to date, including around one million galaxies and quasars. While SDSS has also contributed to the study of dark matter and the properties of galaxies, its most notable achievement is its galaxy mapping.

The Sloan Digital Sky Survey Is Most Famous For