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.
Sirius is 8.6 light-years from Earth, and its scientific designation is Alpha Canis Majoris. It also goes by the names Canicula, Dog Star and Aschere. The next-brightest star, Canopus, is 74 light-years from Earth and shares the same classification and color as Sirius. The third-brightest star is called Rigil Kentaurus, also known as Alpha Centauri. With a G classification, Rigil Kentaurus appears as yellowish-white to the human eye.