Astronomer Melissa McClure said the results help paint a fuller picture of the 'dark chemistry stage' of ice formation on interstellar dust grains. That stage, she said, is what leads to the 'centimeter-sized pebbles' that eventually turn into planets.
This NASA Hubble Space Telescope image captures one of three segments that comprise a 65-light-year wide star-forming region named the Chamaeleon Cloud Complex. The segment in this Hubble composite image, called Chamaeleon Cloud I, reveals dusty-dark clouds where stars are forming, dazzling reflection nebulae glowing by the light of bright-blue young stars, and radiant knots called Herbig-Haro objects. / Credit: NASA, ESA, K. Luhman and T. Esplin , et al.
Using the telescope, astronomers were able to take a deeper look at the"frozen forms" of various molecules, including carbonyl sulfide, ammonia, methane and methanol. Those molecules contain the essential elements – mostly carbon, hydrogen, oxygen, nitrogen and sulfur – that are needed to form planets and stars. Those elements, plus phosphorus, are essential for living organisms.
Astronomer Melissa McClure said that the results help paint a fuller picture of the"dark chemistry stage" of ice formation on interstellar dust grains. That stage, she said, is what leads to the"centimeter-sized pebbles" that eventually turn into planets. "These observations open a new window on the formation pathways for the simple and complex molecules that are needed to make the building blocks of life," she said.
They also found more complex molecules deep in molecular clouds for the first time ever, a discovery that suggests many stars and planets in the particular cloud studied could inherit advanced molecules. It also suggests that this is a common occurrence after stars are formed that extends beyond Earth's own solar system.
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