HDM stands for various terms. Discover the full forms, meanings, and possible interpretations of HDM across different fields and industries.
Hamadan, Iran
AirportAirport CodeAviationIATAIATA CodeICAOICAO CodeLocationsHot dark matter is a form of dark matter which consists of particles that travel with ultrarelativistic velocities. Dark matter is matter that does not interact with, and therefore cannot be detected by, electromagnetic radiation, hence dark. It is postulated to exist to explain how clusters and superclusters of galaxies formed after the Big Bang.
AstronomyAstrophysicsScienceScientific & EducationalLast updated: