I love Neil Tyson for his passion as an educator but there's something strangely naive and juvenile about thishttps://twitter.com/neiltyson/status/748157603176419328 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I hope he has some ulterior motive like trying to get attention, rather than hoping this will play out 'as planned'
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.