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.
Lcross took pictures of the impact, which threw up clouds of lunar debris. 2009 China's first lunar probe, Chang'e 1, named after a goddess who flies to the moon, was steered into the lunar surface at the end of its mission. Future probes will aim for a soft landing. Topics