RT @NASA: Starting Dec 14, you can apply to be an astronaut! Before you do, here are 5 things to know nasa.tumblr.com/post/132538793… https://t.co/99Ekr0uRxx
RT @NASA: Starting Dec 14, you can apply to be an astronaut! Before you do, here are 5 things to know nasa.tumblr.com/post/132538793… https://t.co/99Ekr0uRxx