ORGANIC SPECIES IN INFRARED DARK CLOUDS
ORGANIC SPECIES IN INFRARED DARK CLOUDS
It is currently assumed that infrared dark clouds (IRDCs) represent the earliest evolutionary stages of high-mass stars ($>$ 8 M$_{\odot}$). Submillimeter and millimeter-wave studies performed over the past 15 years show that IRDCs possess a broad variety of properties, and hence a wide range of problems and questions that can …