RAM stands for random-access memory, which makes it possible to find specific information very quickly. It is a form of fast-access, volatile storage that is used as the main memory in computer systems. The most widely used form of RAM for the main memory is dynamic RAM (DRAM).
English: Size comparison between VY Canis Majoris and Earth (via the Sun) by zooming in three times. The colours of the stars have been chosen based roughly on their surface temperatures.nglish: Size comparison between VY Canis Majoris and Earth (via the Sun) by zooming in three times. The colours of the stars have been chosen based roughly on their surface temperatures.
The largest known star is VY Canis Majoris; a red hypergiant star in the Canis Major constellation, located about 5,000 light-years from Earth. University of Minnesota professor Roberta Humphreys recently calculated its upper size at more than 1,540 times the size of the Sun.