Webb Unveils Dark Side of Pre-stellar Ice Chemistry

January 23, 2023 11:00AM (EST)Release ID: 2023-106
A black background is filled with distant galaxies in different shades of a red, orange, and blue. In the foreground and taking up most of the image are blue, smokey, translucent wisps. They enter the image from the bottom left make their way through the center before going out toward the top. On the left top side, some of the wisps are orange and white. Below them are four bright points of light, which are stars. Three are orange and the one at far left appears orange-white. The stars have Webb’s signature 8-point diffraction spikes, which are also orange.

Summary

Webb has identified frozen forms of a wide range of molecules, including carbon dioxide, ammonia, and methane.

The discovery of diverse ices in the darkest regions of a cold molecular cloud measured to date has been announced by an international team of astronomers using NASA's James Webb Space Telescope. This result allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets, while opening a new window on the origin of more complex molecules that are the first step in the creation of the building blocks of life.

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Full Article

If you want to build a habitable planet, ices are a vital ingredient because they are the main source of several key elements — namely carbon, hydrogen, oxygen, nitrogen, and sulfur (referred to here as CHONS). These elements are important ingredients in both planetary atmospheres and molecules like sugars, alcohols, and simple amino acids.  An international team of astronomers using NASA’s James Webb Space Telescope has obtained an in-depth inventory of the deepest, coldest ices measured to date in a molecular cloud. In addition to simple ices like water, the team was able to identify ...

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