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 Mars Express orbiter took this farewell shot of home as it left for the Red Planet. Filed under pics of Earth by planetary missions, pretty pictures, Mars Express, Earth, the Moon. Earthrise from Lunar Orbiter 1. On August 23, 1966, Lunar Orbiter 1 took the first photo of Earth as seen from lunar orbit.