The First Trimester Screen is a new, optional non-invasive evaluation that combines a maternal blood screening test with an ultrasound evaluation of the fetus to identify risk for specific chromosomal abnormalities, including Down Syndrome Trisomy-21 and Trisomy-18.
According to NASA, the next total lunar eclipse will be on January 31, 2018, and will be seen in Asia, Australia and North America. Penumbral lunar eclipses will occur on March 23, 2016, September 16, 2016, and February 11, 2017. Penumbral eclipses are more difficult to observe because only part of the moon is eclipsed.
The lunar module (LM) was on the lunar surface for 21 hours and 37 minutes. The EVA (extravehicular activity) was 2 hours 31 minutes and 40 seconds. During the EVA, the crew examined the surface characteristics and the mobility of themselves on the surface. Neil took a lot of photos of the surface. They collected surface samples.