The Spitzer Infrared Nearby Galaxies Survey (SINGS) was a survey of 75
galaxies
A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar Sys ...
using the
Spitzer Space Telescope
The Spitzer Space Telescope, formerly the Space Infrared Telescope Facility (SIRTF), was an infrared space telescope launched in 2003, that was deactivated when operations ended on 30 January 2020. Spitzer was the third space telescope dedicate ...
, carried out between 2003 and 2006.
One of the telescope's six Legacy Science Projects, SINGS collected a comprehensive set of spectroscopic data in the
infrared
Infrared (IR; sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared spectral band begins with the waves that are just longer than those ...
region, which, in conjunction with measurements at other wavelengths, was intended to provide insights into
star formation
Star formation is the process by which dense regions within molecular clouds in interstellar space—sometimes referred to as "stellar nurseries" or "star-forming regions"—Jeans instability, collapse and form stars. As a branch of astronomy, sta ...
and other processes occurring within these galaxies.
References
External links
SINGS Legacy WebsiteSpitzer website
Astronomical imaging
Infrared imaging
Spitzer Space Telescope
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