![]() ![]() The stars near the centre of the galaxy take less time to orbit than the stars further out. Spiral patterns are basically produced by differential rotation. It's such a tiny fraction of a galaxy's mass that if you removed it, the orbits of all but the most central stars would essentially be unchanged. Nope, the central black hole is basically irrelevant. could the current knowledge of black holes be wrong? Logically speaking, would it not make more sense if it was the black hole thats holding the galaxy together and the power of a black hole is much stronger than is currently calculated. I found this on googleĪlot of people are stating that its the stars own gravity that is holding the galaxy together. Would young galaxies be clusters of stars where the black hole does not have enough force and time to shape it into a disc?ĭo all galaxies spin in the same direction? I only ask because if half of visible galaxies spinned one direction and the other half another direction would this indicate that the universe has hemispheres. If so, would galaxies that have an even disc/belt shape be mid aged as the black hole has enough force to keep the stars close but not on a tragectory inwards? Is this the final stage of a galaxies life as the black hole has grown large enough that it is pulling every star i to the centre of the the galxay creating a vortex of light? We make our world significant by the courage of our questions and by the depth of our answers. For more open-ended questions, try /r/AskScienceDiscussion | Sign up to be a panelist!.Looking for flair? Sign up to be a panelist!. ![]() Neuroscience, Neurology, Neurochemistry, Cognitive NeuroscienceĪskScience AMA Series: NASA Software CatalogĪsk Anything Wednesday - Physics, Astronomy, Earth and Planetary ScienceĪskScience AMA Series: Extreme Heat, PNNLĪsk Anything Wednesday - Engineering, Mathematics, Computer scienceĪsk Anything Wednesday - Biology, Chemistry, Neuroscience, Medicine, PsychologyĪsk Anything Wednesday - Economics, Political Science, Linguistics, AnthropologyĪskScience AMA Series: Squidtember, OceanX Medicine, Oncology, Dentistry, Physiology, Epidemiology, Infectious Disease, Pharmacy, Human Body Psychology, Cognitive Psychology, Developmental Psychology, Abnormal, Social Psychology Social Science, Political Science, Economics, Archaeology, Anthropology, Linguisticsīiology, Evolution, Morphology, Ecology, Synthetic Biology, Microbiology, Cellular Biology, Molecular Biology, Paleontology Mechanical Engineering, Electrical Engineering, Structural Engineering, Computer Engineering, Aerospace EngineeringĬhemistry, Organic Chemistry, Polymers, Biochemistry ![]() Mathematics, Statistics, Number Theory, Calculus, AlgebraĪstronomy, Astrophysics, Cosmology, Planetary FormationĬomputing, Artificial Intelligence, Machine Learning, ComputabilityĮarth Science, Atmospheric Science, Oceanography, Geology Theoretical Physics, Experimental Physics, High-energy Physics, Solid-State Physics, Fluid Dynamics, Relativity, Quantum Physics, Plasma Physics /r/AskScienceDiscussion: For open-ended and hypothetical questions.FAQ: In-depth answers to many popular questions.Weekly Features: Archives of AskAnything Wednesday, FAQ Fridays, and more!.Be civil: Remember the human and follow Reddiquette.Report comments that do not meet our guidelines, including medical advice.Downvote anecdotes, speculation, and jokes.Upvote on-topic answers supported by reputable sources and scientific research. ![]() Answer questions with accurate, in-depth explanations, including peer-reviewed sources where possible.Please read our guidelines and FAQ before posting ![]()
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