Key precursors for life on Earth are abundant in interstellar molecular clouds and could have arrived on Earth inside comets and meteors. Nitriles, a class of organic molecules with a cyano group (a carbon atom bound with a triple unsaturated bond to a nitrogen atom) are typically toxic. But para
New research finds that molecular clouds are loaded with key precursors for life on Earth. This image is of theKey precursors for life on Earth are abundant in interstellar molecular clouds and could have arrived on Earth inside comets and meteors.
Research shows that a wide range of nitriles occurs in interstellar space within the molecular cloud G+0.693-0.027, which is located near the center of the Milky Way. Credit: Pablo Carlos BudassiAccording to this scenario, life on Earth was originally based on RNA only, and protein enzymes andevolved later. RNA can fulfill both their functions: catalyzing reactions like enzymes, and storing and copying information like DNA.
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