No, it's not a moon passage in front of an exoplanet. It's a thin nematic film. Let me explain. Image source: arXiv:1010.0832 Between condensed matter physics and chemistry, between solids and liquids, there is soft condensed matter. Soft... No, it's not a moon passage in front of an exoplanet. It's a thin nematic film. Let me explain. Image source: arXiv:1010.0832 Between condensed matter physics and chemistry, between solids and liquids, there is soft condensed matter. Soft...