1 Do not break down requirements aggregating more than the simplified acquisition threshold (or for commercial items, the threshold in Subpart 13.5) or the micro-purchase threshold into several purchases that are less than the applicable threshold merely toâ. 2  Permit use of simplified acquisition procedures; or.
Solar eclipse. A solar eclipse (as seen from the planet Earth) is a type of eclipse that occurs when the Moon passes between the Sun and Earth, and when the Moon fully or partially blocks (occults) the Sun. This can happen only at new moon when the Sun and the Moon are in conjunction as seen from Earth in an alignment referred to as syzygy.
Composite image of a 1999 total solar eclipse by Fred Espenak. Read his article on the August 21, 2017 total solar eclipse, first one visible from contiguous North America since 1979. Bottom line: Dates of solar and lunar eclipses in 2016, and a preview of the great American eclipse of 2017.