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RCW120<br />
a layer of<br />
<strong>collect</strong>ed material<br />
<strong>and</strong><br />
massive fragments<br />
ESO SEST 1.2 mm (contours)<br />
+<br />
Spitzer GLIMPSE 5.8 μm<br />
Cold dust emission at 1.2 mm<br />
120 Mʘ<br />
500 Mʘ