Initial ISO results: LWS [CII]

The [CII] cooling line seen by the LWS:
top left: S106, an HII region, consisting of ionised gas and dust
bottom left: NGC 7027, a planetary nebula, a cloud of dust and gas ejected from a dying star
top right: Infrared Cirrus, cold wispy dust and gas
bottom right: the Antennae, two colliding galaxies