Image of the Triangulum Galaxy created by combining optical data from the National Science Foundation's 0.9-meter telescope on Kitt Peak in Arizona with radio data from the National Science Foundation's Very Large Array (VLA) telescope in New Mexico and the Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands. Also known as M33, the Triangulum Galaxy is part of the Local Group of galaxies. M33 is over thirty thousand light-years across, and more than two million light-years away. The optical data show the many stars within the galaxy as well as reddish star-forming regions that are filled with hot hydrogen gas. The radio data reveal the cool hydrogen gas within the galaxy, which cannot be seen with an optical telescope. Combined, the radio and optical give a more comprehensive view of star formation in this galaxy. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NSF / AURA / NOAO / AUI / NRAO / M. Hanna / T.A. Rector |
Taille de l’image : | 3750 px × 3825 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |