The Very Long Baseline Array Brought to you by the National Radio Astronomy Observatory, a facility of the National Science Foundation operated under cooperative agreement…

Exam Technique READ THE QUESTION!! make sure you understand what you are being asked to do make sure you do everything you are asked to do make sure you do as much (or as…

SOFIA â The Observatory open cavity (door not shown) TELESCOPE pressure bulkhead scientific instrument (1 of 7) Scientist work stations, telescope and instrument control,…

Reconciling Group and Wolf Sunspot Numbers Using Backbones Leif Svalgaard Stanford University 5th Space Climate Symposium, Oulu, 2013 The ratio between Group SSN and Wolf…

Building a Sunspot Group Number Backbone Series Leif Svalgaard Stanford University 3rd SSN Workshop, Tucson, Jan. 2013 Why a Backbone? And What is it? Daisy-chaining: successively…

Diffraction of Light Diffraction of Light By definition, diffraction refers to the apparent bending of waves around small obstacles and the spreading out of waves past small…