Looks looks good, but seriously, you're asking Stephen Hawking on advice on first alien contact? I know he's the smartest man on Earth, but He's a physicist. This isn't the area of his expertise. If you wanted to know how to find out which stars have earth-sized planets orbiting by looking at their wobble , call him. But for dealing with what lives there? Shouldn't you call a sociologist or an Astor-biologist or something?