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Vor 21 Stunden · t. e. In astronomy, dark matter is a hypothetical form of matter that appears not to interact with light or the electromagnetic field. Dark matter is implied by gravitational effects which cannot be explained by general relativity unless more matter is present than can be seen.
Vor einem Tag · A black hole is a region of spacetime where gravity is so strong that nothing, including light and other electromagnetic waves, is capable of possessing enough energy to escape it. Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
Vor 3 Tagen · Black holes are a class of astronomical objects that have undergone gravitational collapse, leaving behind spheroidal regions of space from which nothing can escape, including light. Observational evidence indicates that almost every large galaxy has a supermassive black hole at its center.
Vor 4 Tagen · Black Thought’s status is as a pioneer and the Philadelphia lyricist is an exceptional wordsmith who first emerged as part of the well-known collective The Roots. The emcee is renowned for his lyrical ability and extremely conscious lyrics alongside a very soulful and jazz-inspired type of sonic. The rapper is also a known poet, infusing his work with a literary poise.
Vor einem Tag · Dark Matter Halos Measured Around Ancient Quasars. Sep. 12, 2023 — At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts ...
Vor 21 Stunden · Intersectionality is a sociological analytical framework for understanding how groups' and individuals' social and political identities result in unique combinations of discrimination and privilege. Examples of these factors include gender, caste, sex, race, ethnicity, class, sexuality, religion, disability, height, age, weight [1] and physical ...
Vor 2 Tagen · Nazi eugenicist Eugen Fischer, who was also a professor of anthropology and eugenics, thought that Germany's small black population should be sterilised in order to protect the German people. In 1938, at least 400 black children were forcibly sterilised in the Rhineland.
