Ex Tr A’s novel design allows for much improved sensitivity compared to previous searches.Astronomers now have a powerful new tool to help in the search for potentially habitable worlds.She has been selected as a new trainee of the initiative Astronautin, which aims to train the first female German astronaut and send her on a research mission to the International Space Station.The announcement was made today at a press conference at ESO Headquarters in Garching, Germany.
The first six hexagonal segments for the main mirror of ESO’s Extremely Large Telescope (ELT) have been successfully cast by the German company SCHOTT at their facility in Mainz.
Launched by Harvard student Mark Zuckerberg and some of his contemporaries, the service was initially only available to Harvard students but soon expanded to regional universities, the Ivy League and further universities before opening up to high school students and global users aged 13 or over.
Currently, the Facebook usage penetration among internet users in leading markets is above 80 percent.
In the third quarter of 2012, the number of active Facebook users had surpassed 1 billion, making it the first social network ever to do so.
Active users are those which have logged in to Facebook during the last 30 days.