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4.5 × 10 16 bits (5.625 petabytes) – estimated hard drive space in Google's server farm as of 2004 [citation needed] 2 56: 72,057,594,037,927,936 bits (8 pebibytes) 10 petabytes (10 16 bytes) – estimated approximate size of the Library of Congress's collection, including non-book materials, as of 2005. [8]
Michael E. Wysession (/ ˈ w aɪ s ɛ ʃ ə n / WYE-sesh-ən [1]); born December 6, 1961) is a professor of Earth and Planetary Sciences at Washington University in St. Louis, [2] and author of numerous science textbooks published by Pearson Education, Prentice Hall and the Savvas Learning Corporation.
Think about it, if all 1.5 billion Internet users had a 1 Terrabyte drive with all the disk space used up then that is only 1.5 zettabytes, WAY OFF the scale of a yottabyte. It may happen in 20 years however.-- 70.65.245.94 ( talk ) 01:52, 29 May 2009 (UTC) [ reply ]
A graphical or bar scale. A map would also usually give its scale numerically ("1:50,000", for instance, means that one cm on the map represents 50,000cm of real space, which is 500 meters) A bar scale with the nominal scale expressed as "1:600 000", meaning 1 cm on the map corresponds to 600,000 cm=6 km on the ground.
NASA Earth science satellite fleet as of September 2020, planned through 2023. Earth observation satellite missions developed by the ESA as of 2019. Earth observation satellites are Earth-orbiting spacecraft with sensors used to collect imagery and measurements of the surface of the earth. These satellites are used to monitor short-term weather ...
Spatial scale is a specific application of the term scale for describing or categorizing (e.g. into orders of magnitude) the size of a space (hence spatial), or the extent of it at which a phenomenon or process occurs. [1] [2] For instance, in physics an object or phenomenon can be called microscopic if too small to be visible.
Sizes to scale. The Earth Similarity Index (ESI) is a proposed characterization of how similar a planetary-mass object or natural satellite is to Earth. It was designed to be a scale from zero to one, with Earth having a value of one; this is meant to simplify planet comparisons from large databases. The scale has no quantitative meaning for ...
As the permanent archive, NSSDCA teams with NASA's discipline-specific space science "active archives" which provide access to data to researchers and, in some cases, to the general public. NSSDCA also serves as NASA's permanent archive for space physics mission data. It provides access to several geophysical models and to data from some non ...