In 2005, NASA created the 'Blue Marble: Next Generation', a composite of images from several satellites showing the land, sea, cloud cover and night-time lights of our planet. This view is centred on South America. Seen from space, the defining feature of our planet is its blue colour.
Credit: Image created by Reto Stöckli for the NASA GSFC Earth Observatory.
In 2009, the "From Earth to the Universe" project brought astronomy to millions of people around the world. Take a tour of just some of the locations in a short video on the FETTU Highlights page.