Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
aamar
on Dec 22, 2011
|
parent
|
context
|
favorite
| on:
Why We Haven’t Met Any Aliens
Nit: 47 billion light-years in all directions; 93 billion light years is the diameter.
Join us for
AI Startup School
this June 16-17 in San Francisco!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
