Most detailed observations ever of the Ring Nebula. Hubble Space Telescope, uncovers the secrets…
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Most detailed observations ever of the Ring Nebula. Hubble Space Telescope, uncovers the secrets…
maggio 23, 2013 – 10:57 pm | No Comment

The NASA/ESA Hubble Space Telescope has produced the most detailed observations ever of the Ring Nebula (Messier 57). This image reveals intricate structure only hinted at in previous observations, and has allowed scientists to construct …

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Turboelectric Propulsion a New Idea for Revolutionary Aircraft

Submitted by on gennaio 24, 2011 – 2:30 amNo Comment

The hybrid wing body aircraft shape is already a new idea that can improve performance and reduce noise. NASA’s Glenn Research Center is studying a drastic change in the propulsion system — turboelectric engines — that can make the HWB even more useful in reducing noise and fuel consumption and in improving use of smaller underutilized airports. News  from NASA

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