[Music] Good morning everyone. I am Samir Dur. I am an astronomer but I am also a person who like to tell stories.Stories about science especially and about this field of work that I am into which is astronomy. So today I am going to tell you some stories and it begins with the story of a friend who I have here a tiny dinosaur. She's here and actually I don't have to tell you the story because this must be well known to you.It's a story about how a big piece of space rock came from space and about 65 millio ...