One point of evidence in support of dark matter is the way in which the speed of stars, gas and dust in a galaxy varies with their distance from the center of the galaxy, known as the galactic ...
The cosmos rarely offers precise coincidences without a hidden cause. As the interstellar visitor 3I/ATLAS cuts a path through our solar system, it is doing far more than shedding dust and gas; it is ...
Dynamic galaxy: can the rotation of the spiral galaxy NGC 1232 be explained by MOND? (Courtesy: ESO) Can modified Newtonian dynamics (MOND) explain the curious behaviour of rotating galaxies? Two ...