The heart of the Milky Way is apparently a hotspot for molecules that combine to form RNA.
. There's no evidence of star formation there yet, but scientists believe that a star or stars will form there in the future.
The researchers used two telescopes to study the spectrum of light coming from the cloud. When certain elements or molecules absorb and re-emit light, this can be seen on the spectrum as a darker or lighter line. Interpreting these absorption and emission lines can be tricky, but it can also be used to identify which molecules are present: each one has its own spectral signature.
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