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The detailed images recorded by SDO in 2011–2012 have helped scientists uncover new secrets about the Sun. The Solar Dynamics Observatory (SDO) is a NASA mission which has been observing the Sun since 2010. [4] Launched on 11 February 2010, the observatory is part of the Living With a Star (LWS) program. [5]
Schematic cross-section of an O-type subdwarf. A subdwarf O star (sdO) is a type of hot, but low-mass star. O-type subdwarfs are much dimmer than regular O-type main-sequence stars, but with a brightness about 10 to 100 times that of the Sun, [1] and have a mass approximately half that of the Sun.
As a result, children in their first year of senior school (aged 11–12 years) might be in the first year, third year or seventh year. Where the same form number is used for two year groups, they are differentiated by the terms "upper" and "lower". The most senior forms are traditionally lower and upper sixth or first and second year sixth.
Additionally, many schools add .33 for a plus (+) grade and subtract .33 for a minus (−) grade. Thus, a B+ yields a 3.33 whereas an A− yields a 3.67. [ 18 ] A-plusses, if given, are usually assigned a value of 4.0 (equivalent to an A) due to the common assumption that a 4.00 is the best possible grade-point average, although 4.33 is awarded ...
A standards organization, standards body, standards developing organization (SDO), or standards setting organization (SSO) is an organization whose primary function is developing, coordinating, promulgating, revising, amending, reissuing, interpreting, or otherwise contributing to the usefulness of technical standards [1] to those who employ ...
First grade (also 1st Grade or Grade 1) is the first year of formal or compulsory education. It is the first year of elementary school , and the first school year after kindergarten . Children in first grade are usually 6–7 years old.
Social dominance orientation, a personality trait Bukar–Sadong language (ISO 639 language code sdo ) Sistema Direzionale Orientale [ it ] (Italian: Eastern Directional District ), Via della Pietra Sanguigna, Rome, Italy; a cancelled-planned business district around Quintiliani subway station
Primary education in Costa Rica is required by law for most children in the country between the ages of 6 and 13. Because of this, their literacy is 98% which is one of the highest in Latin America. Primary education starts in first grade and goes through sixth grade. Education is generally free to students. [32]