Dark matter has been postulated to explain why the stars do not follow Kepler's laws (as the planets do) as they move round the galaxy. Illustris Collaboration, CC BY-NC. Why do you think one idea is widely accepted by scientists and the other is not? In particular, Scientists are exactly what you thought they weren’t - sheep-like creatures. 10. Why do astronomers believe in dark matter? But the vast bulk of the universe is thought to be invisible dark matter. It is truly "dark." The universe is home to a dizzying number of stars and planets. Cosmologists believe we can only see about 10 percent of the matter in the universe. Scientists study dark matter by looking at the effects it has on visible objects. At the same time, most astronomers do not believe that UFOs are evidence that we are being visited by aliens from another world. Im not 100% sure base on the research i did, thats why im asking this question but I think … Let's look at the evidence, and see what dark matter's presence means for our universe. Which idea do … Dark matter is composed of particles that do not absorb, reflect, or emit light, so they cannot be detected by observing electromagnetic radiation. Dark matter, by its very nature, is unseen. First, the dark matter pervades our Galaxy as well as surrounding it. Yet astronomers have never actually seen either dark matter or a UFO. By Michael J. I. Why do astronomers believe that vast quantities of dark matter surround [and pervade] our Galaxy? We know that dark matter exists because of the effect it has on objects that we can observe directly. Because that is the Party Line. Dark matter is material that cannot be seen directly. We do not actually know that dark matter exists and have no idea what it is if it does exist.
Brown, Associate professor in astronomy, Monash University . We cannot observe it with telescopes, and nor have particl Most astronomers believe that dark matter exists and is a large fraction of the total matter in the universe. why do astronomers believe that dark matter exists? The orbital speeds of stars are too high to be explained by the mass of stars, gas, and dust inside their orbits. Why do astronomers believe there's dark matter when it cannot be directly detected?
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