NASA JPL Finds HCN Forms Mixed Crystals With Titan Hydrocarbons Near -179°C
Updated
Updated · spacedaily.com · Aug 16
NASA JPL Finds HCN Forms Mixed Crystals With Titan Hydrocarbons Near -179°C
1 articles · Updated · spacedaily.com · Aug 16
Summary
JPL experiments and Chalmers modeling showed polar hydrogen cyanide can spontaneously incorporate nonpolar methane and ethane into a shared solid lattice under Titan-like cryogenic conditions.
Raman spectra shifted after hydrocarbons were added to HCN, and a computational search of 9,760 candidate structures found stable arrangements that matched the measurements without forming new compounds.
Methane appears to be the less durable partner: its spectral signature weakened above about 85 kelvin, while HCN-ethane remained a stronger candidate for Titan’s roughly 90-94 kelvin surface.
The result points to a new Titan cryomineral that could alter how HCN is stored, transported and weathered around dunes, channels and hydrocarbon seas.
The finding also gives context for NASA’s Dragonfly mission, suggesting Titan’s surface may host more complex organic solid phases than standard warm-environment chemistry would predict.
Could the impossible chemistry found in Titan's freezing temperatures hold the secret to how the earliest building blocks of life were stored?
If polar and nonpolar molecules fuse in extreme cold, could Titan's mysterious surface signatures actually be alien crystals completely unknown to Earth?
What other fundamental rules of science might shatter when we explore the bizarre mixed-ice landscapes hiding on Saturn's largest moon?