"The radio waves, they can penetrate into these black clouds to understand star formation. Optical telescopes, they can just see the surface while we can see what’s actually going on inside the cloud. Alma is bigger than all the other telescopes combined, was so much more sensitive and we are just still growing to disguise the limit.”
The authorities in Venezuela have extended the official mourning of the late president Hugo Chavez until Friday. The decision means that official buildings will continue to fly their flags at half-mast and celebrations and festivities will remain banned. Mr Chavez died last Tuesday after a long battle against cancer.
BBC News
第二页:中英双语听力稿
BBC News with Marion Marshall
Marion Marshall为你播报BBC新闻。
Cardinals gathered in the Vatican have elected a new pope. St Peter’s Square erupted into cheers and applause as white smoke issued from a floodlit chimney on the roof of the Sistine Chapel to signal a decision had been made. A short while later the identity of the new pope was announced as the Argentine Cardinal Jorge Mario Bergoglio. The 76-year-old has become the first-ever pope from the Americas in the history of the Roman Catholic Church, taking the papal name of Francis I. Dressed in his white robes and wearing large round spectacles, Pope Francis emerged on the balcony overlooking St Peter’s Square to roars of joy from the tens of thousands of people gathered in the square below.