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, 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 System. ...

using the

Spitzer Space Telescope The Spitzer Space Telescope, formerly the Space Infrared Telescope Facility (SIRTF), was an infrared space telescope launched in 2003. Operations ended on 30 January 2020. Spitzer was the third space telescope dedicated to infrared astronomy, f ...

, 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 those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around ...

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 The "medium" is present further soon.-->interstellar space

and other processes occurring within these galaxies.

References

External links

SINGS Legacy Website

Spitzer website
Astronomical imaging Infrared imaging Spitzer Space Telescope {{astronomical-catalogue-stub