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.
Often called Earth's sister planet, Venus is the closest in size, with a mass of more than 80 percent that of our planet and a diameter of only a few miles less.It is also the closest planet to our own in terms of location.enus is a rocky, terrestrial planet like Earth, and likely formed the same way at the same time. It has a mass of 4.87 trillion trillion kilograms, about 82 percent that of its sister planet. Like its size, its density is comparable to Earth at 5.243 grams per cubic centimeter.