33K views · 1.9K reactions | Where does space begin? Well, it depends. There’s no sharp boundary that marks the end of atmosphere and beginning of space. But no matter where you draw the line in the sand — or the air — Earth’s atmosphere is full of all kinds of interesting stuff. That’s why scientists like Doug Rowland are studying its many layers: https://go.nasa.gov/3JPXbhW | NASA - National Aeronautics and Space Administration | Facebook

3.2K views · 309 reactions | Is there north and south in space?樂 What’s up and what’s down for astronauts who are floating in zero gravity? 六‍ And how is everything complicated by the fact that all the stars and planets are moving? Sam and Rob talk about it and teach you related vocabulary along the way. #learnenglish #astronaut #space #elt #bbclearningenglish #englishonline #englishtips #englishvocabulary #lostinspace | BBC Learning English | Facebook