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Scientists in Virginia are looking for mysterious dark matter - and have turned to really old rocks. The substance, which makes up more than 80 percent of all matter in the universe, shapes and ...
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.
MACS J0025.4-1222 is a galaxy cluster created by the collision of two galaxy clusters, and is part of the MAssive Cluster Survey (MACS). Like the earlier discovered Bullet Cluster, this cluster shows a clear separation between the centroid of the intergalactic gas (of majority of the normal, or baryonic, mass) and the colliding clusters.
Dark matter: What is the identity and composition of dark matter? [31] Is dark matter a particle? If so, is it a WIMP, an axion, the lightest superpartner (LSP), or something else? Do the phenomena attributed to dark matter point to an extension of gravity instead of some other type of matter? Dark energy:
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.
“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 ...
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