If you have ever studied any chemistry or biological studies, there is a very good chance that you will be able to present a general picture of what is thought to be a chromosome. Millions of high-schoolers and undergraduates will be convinced that it is a tall, narrow X-shape – …
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It would be very optimistic to suggest that we have a good handle on dark matter. But even the slightest understanding we have can lead to the loss of something important. New observations from the Hubble Space Telescope have found much higher concentrations of dark matter in the order of …
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The galaxies are already very large, with billions upon billions of stars orbiting supermassive black holes. But that’s not where their influence ends. The vast, spherical charge of gas surrounds the galaxy, reaching farther than the main population of stars, somewhat like the atmosphere of a galaxy. Hubble observations from …
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