Orders of magnitude (mass)To help compare different orders of magnitude, the following lists describe various mass levels between 10−59 kg and 1052 kg. The least massive thing listed here is a graviton, and the most massive thing is the observable universe. Typically, an object having greater mass will also have greater weight (see mass versus weight), especially if the objects are subject to the same gravitational field strength. The table at right is based on the kilogram (kg), the base unit of mass in the International System of Units (SI).
NanometreThe nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the International System of Units (SI), equal to one billionth (short scale) of a metre (0.000000001m) and to 1000 picometres. One nanometre can be expressed in scientific notation as 1e-9m, and as 1/1000000000 metres.
International System of UnitsThe International System of Units, internationally known by the abbreviation SI (for Système International), is the modern form of the metric system and the world's most widely used system of measurement. Established and maintained by the General Conference on Weights and Measures (CGPM), it is the only system of measurement with an official status in nearly every country in the world, employed in science, technology, industry, and everyday commerce.
SI derived unitSI derived units are units of measurement derived from the seven SI base unit specified by the International System of Units (SI). They can be expressed as a product (or ratio) of one or more of the base units, possibly scaled by an appropriate power of exponentiation (see: Buckingham π theorem). Some are dimensionless, as when the units cancel out in ratios of like quantities.
HLA-DRHLA-DR is an MHC class II cell surface receptor encoded by the human leukocyte antigen complex on chromosome 6 region 6p21.31. The complex of HLA-DR (Human Leukocyte Antigen – DR isotype) and peptide, generally between 9 and 30 amino acids in length, constitutes a ligand for the T-cell receptor (TCR). HLA (human leukocyte antigens) were originally defined as cell surface antigens that mediate graft-versus-host disease. Identification of these antigens has led to greater success and longevity in organ transplant.
Der Gerechte kömmt um (motet)Der Gerechte kömmt um ('The righteous perishes'), () 1149, is a motet for SSATB singers and instrumental ensemble, which, for its music, is based on the five-part a cappella motet Tristis est anima mea attributed to Johann Kuhnau, and has the Luther Bible translation of Isaiah 57:1–2 as text. The arrangement of the Latin motet, that is, transposing it to E minor, adjusting its music to the new text, and expanding it with an instrumental score for two traversos, two oboes, strings and basso continuo, is attributed to Johann Sebastian Bach.
KilogramThe kilogram (also kilogramme) is the base unit of mass in the International System of Units (SI), having the unit symbol kg. It is a widely used measure in science, engineering and commerce worldwide, and is often simply called a kilo colloquially. It means 'one thousand grams'. The kilogram is defined in terms of the second and the metre, both of which are based on fundamental physical constants. This allows a properly equipped metrology laboratory to calibrate a mass measurement instrument such as a Kibble balance as the primary standard to determine an exact kilogram mass.
DR (broadcaster)DR (ˈte̝ˀˌɛɐ̯), officially the Danish Broadcasting Corporation in English, is a Danish public-service radio and television broadcasting company. Founded in 1925 as a public-service organization, it is Denmark's oldest and largest electronic media enterprise. DR is a founding member of the European Broadcasting Union. DR was originally funded by a media licence, however since 2022, the media license has been replaced by an addition to the Danish income tax.
Dr. OctagonDr. Octagon is a persona created and used by American rapper Keith Matthew Thornton, better known as Kool Keith. First appearing on Thornton's 1996 debut solo album, Dr. Octagonecologyst. The album examines the impersonal/delusional/authoritarian aspects of institutions/bureaucracies using the general hospital and psych ward as main metaphor. The hyper-love of new technologies is also a theme. Thornton performed and released two albums under the alias. The character was murdered by Dr.
