NASA

Great astrophotographies – September 2008

Monday, September 29, 2008 / Sustainable development / Leave a Comment

This month was particularly rich in beautiful pictures of celestial objects proposed as usual by the NASA’s Astronomy Picture Of the Day (APOD) So instead of proposing you eight pictures like I generally do, I chose ten photographs of nebulae, galaxies and the likes that are worth using as a wallpaper for your computer. The …

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Top NASA official warns on climate change

Thursday, July 3, 2008 / Sustainable development / Leave a Comment

James Hansen, a top NASA official famous for his speech twenty years ago on global warming strikes back. His first discourse rose awareness on climate change in the United States. In his anniversary speech, he stated that large oil and coal companies would commit crimes against Humanity and Nature if they continued emitting important amounts …

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