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Because galaxy-size density fluctuations get washed out by free-streaming, hot dark matter implies the first objects that can form are huge supercluster-size pancakes, which then fragment into galaxies, while the reverse is true for cold dark matter. Deep-field observations show that galaxies formed first, followed by clusters and superclusters ...
Direct detection of dark matter is the science of attempting to directly measure dark matter collisions in Earth-based experiments. Modern astrophysical measurements, such as from the cosmic microwave background , strongly indicate that 85% of the matter content of the universe is unaccounted for. [ 1 ]
Searches for the products of dark matter interactions are profitable because there is an extensive amount of dark matter present in the universe, and presumably, a lot of dark matter interactions and products of those interactions (which are the focus of indirect detection searches); and many currently operational telescopes can be used to ...
In the ongoing science quest to observe dark matter, there’s a new method in town. Researchers from Cornell University said in a new preprint paper (not yet peer reviewed or published) that dark ...
The Axion Dark Matter Experiment (ADMX, also written as Axion Dark Matter eXperiment in the project's documentation) is an experiment that uses a resonant microwave cavity within a large superconducting magnet to search for cold dark matter axions in the local galactic dark matter halo. Unusual for a dark matter detector, it is not located deep ...
China Dark Matter Experiment; CoGeNT; Cryogenic Dark Matter Search; Cryogenic Low-Energy Astrophysics with Neon; Cryogenic Observatory for Signatures Seen in Next-Generation Underground Searches; Cryogenic Rare Event Search with Superconducting Thermometers
The object is of a particular note for astrophysicists, because gravitational lensing studies of the Bullet Cluster are claimed to provide strong evidence for the existence of dark matter. [3] [4] Observations of other galaxy cluster collisions, such as MACS J0025.4-1222, similarly support the existence of dark matter. [5]
Particle Dark Matter: Observations, Models and Searches (2010) is an edited volume that describes the theoretical and experimental aspects of the dark matter problem from particle physics, astrophysics, and cosmological perspectives. The editor is Gianfranco Bertone.