Your videos and information have helped me greatly with my studies at a University in the states, as a first year astronomy student your ways of explaining things have helped a great deal..thank you!
mlpinter11 2 months ago in playlist More videos from DrSimonFoster
Your videos and information have helped me greatly with my studies at a University in the states, as a first year astronomy student your ways of explaining things have helped a great deal..thank you!
mlpinter11 2 months ago in playlist More videos from DrSimonFoster