From the article:BvU said:
. New question: why not all over the place ? Dunno. The galaxy has to move through the cluster center (the ICM lemma gives no size range).BvU said:
Ram pressure is a force exerted on a galaxy as it moves through a dense region of gas within a galaxy cluster. This force is caused by the high-speed motion of the galaxy through the gas, resulting in the gas exerting pressure on the galaxy.
Ram pressure can strip gas and dust from a galaxy's outer edges, causing it to lose its ability to form new stars and eventually die. This process is known as ram pressure stripping.
Yes, ram pressure can affect all types of galaxies. However, it is most commonly observed in spiral galaxies with active star formation, as they have a significant amount of gas and dust that can be stripped away.
Ram pressure is one of the main mechanisms that can kill galaxies, along with mergers with other galaxies and interactions with supermassive black holes at the centers of galaxies. The impact of each factor depends on the specific properties of the galaxy and its environment.
Yes, ram pressure stripping can be observed in real-time through telescopes that are able to detect the gas and dust being stripped from galaxies. This can provide valuable insights into the process and its effects on galaxies in different environments.