Gas and star formation in galaxies are intimately linked to one another. Molecular hydrogen gas is the material out of which stars form, while the process of forming stars, in turn, depletes the reservoirs of gas in galaxies and builds up their stellar mass. Observations of star…
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Ice and dust play a key role in building the Solar System. During their life cycle, these primitive components are exposed to complex physical and chemical processes. Some of the earliest remnants from the formation of the early Solar nebula still remain in comets providing a wa…
This thesis aims to clarify the potential causes of the [CII] deficit in a set of local, star-forming galaxies. The [CII] deficit, measured as the decreasing trend in the ratio of [CII] 158 μm line strength to infrared luminosity in brighter galaxies, is a poorly understood obse…
Over the past 30 years, the cosmic microwave background (CMB) has profoundly influenced our understanding of the history of our universe and ushered in an era of precision cosmology. The spatial anisotropy (both polarized and unpolarized) has been the focus of both experiment an…