Six Minute English From B B C Learning English

This is a down load from b b c learning english. In this program, will be meeting one of america's best known popular scientists,. astronomer, niil de gras tyson. Niildegrass tyson thinks facts are not dependent on politics, but should be established with a scientific method. We'll be hearing from the famous astronomer and learning some new vocabulary soon. But first i have a question for you, sam. For centuries, the earth was thought to be the centre of the universe. Was it a nicolaus copernicus? B isaa newton, or see, galileo galilei? Hum, i'll say it was s gal