<span> The interplanetary medium Lyman-α (IPM Ly-α) photolyzes the methane cold-trapped onto Charon’s winter pole (following arrival from Pluto) (</span><a href="https://www.science.org/doi/10.1126/sciadv.abq5701#core-R8" target="_blank" rel="noopener nofollow ugc"><em>8</em></a><span>, </span><a href="https://www.science.org/doi/10.1126/sciadv.abq5701#core-R9" target="_blank" rel="noopener nofollow ugc"><em>9</em></a><span>) into more complex and less volatile molecules (</span><a href="https://www.science.org/doi/10.1126/sciadv.abq5701#core-R3" target="_blank" rel="noopener nofollow ugc"><em>3</em></a><span>), precursors to the red-colored tholins following subsequent energetic processing. </span> <span>Здесь написано, что из метана образуются более сложные но менее летучие молекулы, из которых потом образуются толины.</span>

https://www.science.org/doi/10.1126/sciadv.abq5701#:~:text=The%20interplanetary%20medium%20Lyman%2D%CE%B1%20(IPM%20Ly%2D%CE%B1)%20photolyzes%20the%20methane%20cold%2Dtrapped%20onto%20Charon%E2%80%99s%20winter%20pole%20(following%20arrival%20from%20Pluto)%20(8%2C%209)%20into%20more%20complex%20and%20less%20volatile%20molecules%20(3)%2C%20precursors%20to%20the%20red%2Dcolored%20tholins%20following%20subsequent%20energetic%20processing. - Во введении написано, что из метана образуются более сложные и менее летучие молекулы, из которых потом образуются толины.