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Dark matter is called ‘dark’ because it’s invisible to us and does not measurably interact with anything other than gravity. It could be interspersed between the atoms that make up the Earth ...
Dark matter may have played a role in the formation of the bars. The discovery also suggests that bars can be detected in early galaxies, despite the fact that the oldest galaxies are much smaller.
One mystery of dark matter is that it makes up the vast majority of all the matter in the Universe, yet we know surprisingly little about it. A new study, based on observations of distant galaxy ...
In astronomy, dark matter is a hypothetical form of matter that does not interact with light or other electromagnetic radiation.Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be observed.
Mack has described dark matter as "one of science's most pressing enigmas". [26] [27] She has worked on dark matter self-annihilation [28] and whether the accretion of dark matter could result in the growth of primordial black holes (PBHs). [29] She has worked on the impact of PBHs on the cosmic microwave background. [30]
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 ...
“The Vera Rubin Observatory will enable astronomers to map the distribution of dark matter like never before, based on how dark matter bends the path of ordinary starlight — a process known as ...
A MAssive Compact Halo Object (MACHO) is a kind of astronomical body that might explain the apparent presence of dark matter in galactic halos. A MACHO is a body that emits little or no radiation and drifts through interstellar space unassociated with any planetary system (and may or may not be composed of normal baryonic matter). Since MACHOs ...