Spectrum NIR reflectance spectrum of a mixture of AMES tholins after pouring liquid C2H6 at 120K Spectrum NIR reflectance spectrum of a mixture of AMES tholins after pouring liquid C2H6 at 89.5K Spectrum NIR reflectance spectrum of a mixture of AMES tholins after pouring liquid C2H6 at 89.4K Spectrum NIR reflectance spectrum of a mixture of AMES tholins after pouring liquid C2H6 at 87.8K Spectrum NIR reflectance spectrum of a mixture of AMES tholins with evaporating C2H6 at 108.6K Spectrum NIR reflectance spectrum of a mixture of AMES tholins with evaporating C2H6 at 177.4K Spectrum NIR reflectance spectrum of a mixture of AMES tholins with evaporating C2H6 at 182.1K Spectrum NIR reflectance spectrum of a mixture of AMES tholins with evaporating C2H6 at 186.1K