Galaxies
M101 Composite Image: Spitzer Data (Red Component)
February 10, 2009 · NASA · M101, NGC 4547, The Pinwheel Galaxy · Ursa Major
Zoom to full resolution See where it is in the 3D sky Original on NASA ↗
The red color shows Spitzer's view in infrared light. It highlights the heat emitted by dust lanes in the galaxy where stars can form.
About the colours
Red: 85 sec/pixel (IRAC) and 200 sec/pixel (MIPS 24 micron)
About the data
The science team for the Spitzer data include K. Gordon (STScI), C. Engelbracht, G. Rieke, K. Misselt, and J.-D. Smith (University of Arizona), and R. Kennicutt (University of Cambridge).

