As promised, we are posting this question sent in by sidsen after his streak of 12 right answers was broken *(alas dude.. one more and you could have beaten Poornima ;) )
*Thanks for the question dude!

What does this map depict?

Useful information: This visual was brought out in 2007.

** Shakeel , yaksha , Atul Mathew , MGS , shivathilak , prasanth , Rahul Ranade , Gammafunction , Ganesh Prasad , Keerthi , VikraM , Tathagata Chatterjee , iamniks and udupendra** are aware of this event horizon.

Shakeel, yaksha, Atul Mathew, MGS, shivathilak, prasanth, Rahul Ranade, Gammafunction, Ganesh Prasad, Keerthi, VikraM, Tathagata Chatterjee, iamniks and udupendra