Titlebook: Reviews in Frontiers of Modern Astrophysics; From Space Debris to Petr Kabáth,David Jones,Marek Skarka Book 2020 Springer Nature Switzerlan

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Michael A. Beasley explains why, exposing many of the misconceptions surrounding college grading. Based on historical research and the results of a yearlong, on-line course evaluation experiment conducted at Duke University during the 1998-1999 academic year, the effects of student grading on various educational proc

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Norbert Werner,François Mernier explains why, exposing many of the misconceptions surrounding college grading. Based on historical research and the results of a yearlong, on-line course evaluation experiment conducted at Duke University during the 1998-1999 academic year, the effects of student grading on various educational proc

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Space Debris: Optical Measurements,t when the parent body, spacecraft or upper stage, will break up into hundreds of trackable fragments. Space debris research helps to discover, monitor and characterize these objects, identify their origin and support their active removal. Surveys with optical telescopes aim to discover new objects

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