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The term “Dark matter” is a placeholder for matter that we’re almost certain must be out there because we see the effects of its gravitational pull. But that’s all we see, so we don’t know exactly what it is yet.
There are a lot of competing explanations, and one of them has raised a few eyebrows recently because it could account for some unexpected experimental results.
Maybe most interesting of all, this dark matter candidate opens up the possibility that there are “ghost stars” out there in space. Some scientists have suggested that a boson star is actually what’s at the center of our own Milky Way.
#darkmatter #particlephysics #astronomy #science #seeker #elements
Ghost stars: The radical theory that could solve the mystery of dark matter
If dark bosons are affected by gravity, then they should also clump together in the same way that ordinary matter does. “They would self-gravitate into boson stars,” says Hector Olivares, from Radboud University in the Netherlands.
Exoplanets could be used as dark-matter detectors
Dark matter has a warming effect on exoplanets that could be observed – according to astronomers Rebecca Leane at the Massachusetts Institute of Technology and Juri Smirnov at Ohio State University. The duo has calculated that the heating occurs as dark-matter particles collide with exoplanets, depositing energy as they scatter and annihilate.
Physicists Developed a Technique to Finally Detect Dark Matter
Scientists successfully demoed a new technique using quantum technology capable of drastically advancing the scientific pursuit of dark matter — which composes 85% of the universe, according to a recent study published in the journal Physical Review Letters.
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