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CCDev milestone progress as of Oct. 21, 2011 - (Credits: NASA). Source NASA: Over the last two months, NASA’s industrypartners demonstrated... Read more →
SpaceShipTwo “Dropped Like a Rock” During Test Flight Stall
Virgin Galactic's first feathered test glide, performed on May 4, 2011 (Credits: Virgin Galactic). An interesting article by Leonard David on... Read more →
ROSAT Falls East of India
According to German Aerospace Center officials, the German Roentgen Satellite (ROSAT), which reentered Earth's atmosphere on October... Read more →
FAA Issued NOTAM for ROSAT Debris
The Federal Aviation Administration (FAA) issued a NOTAM to warn pilots to watch out for possible falling debris of the German Roentgen Satellite... Read more →
ROSAT Reenters Earth’s Atmosphere
The 2.7 tons German Roentgen Satellite (ROSAT) made its final dive into Earth's atmosphere in the night of October 22, 2011, but German Aerospace... Read more →
UPDATE: ROSAT Reentry Expected in the Next 24 Hours
UPDATE Sat 22 Oct 18:00UT ROSAT orbit 87.79 minutes, 161.4 x 167.3 km Position 30.6S,51.9E alt=167.2km Unlit ~Re-entry ~13h The... Read more →
















![A trajectory analysis that used a computational fluid dynamics approach to determine the likely position and velocity histories of the foam (Credits: NASA Ref [1] p61).](http://www.spacesafetymagazine.com/wp-content/uploads/2014/05/fluid-dynamics-trajectory-analysis-50x50.jpg)


