ahlam1399
06-01-2017, 12:56 AM
Wearing a nearly 5-inch thick coat of carbon-composite solar shields, NASA's Solar Probe Plus will explore the sun's atmosphere in a mission that begins in the summer of 2018.
أكثر... (http://www.cnn.com/2017/05/31/us/nasa-sun-mission/index.html)
أكثر... (http://www.cnn.com/2017/05/31/us/nasa-sun-mission/index.html)