A macroscopic dark matter state with its mass and radius similar to those of a planet will behave as a dark exoplanet if it is bounded to a star system.
"A macroscopic dark matter state with its mass and/or radius similar to those of a planet will behave as a dark exoplanet if it is bounded to a star system, even if the object's underlying physics resembles something else entirely," notes the research paper.The team focused on the transit light curve as one of the methods for searching for dark.
Eventually, the measurements could also be used to calculate the exoplanet's properties and density and determine the presence of particles. If the transit spectrum reveals any significant anomalies, it could point to the presence of a dark matter exoplanet. The study notes that a dark matter exoplanet's properties are likely to differ from those expected of ordinary exoplanets.
“Specifically, we focus on the transit light curve method and demonstrate how to distinguish partially transparent dark exoplanets from fully opaque ordinary exoplanets using both observed exoplanet data and dark exoplanet mock data. Our analysis shows that dark exoplanets with a large radius and a small optical depth can be identified with current telescope sensitivities,” reads the paper.
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