2MASS

Overview

The Two Micron All Sky Survey imaged the entire sky in three near-infrared bands, cataloguing hundreds of millions of stars and galaxies.

Observing bands

Knowledge connections

• ObservesNear-infrared

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.