Don’t forget to write when you get there

“Because the observable universe extends only as far as light has had a chance to get in the 13.7 billion years since the Big Bang (that would be 13.7 billion light-years)*, the space-time beyond that distance can be considered to be its own separate universe.”

From space.com

*

*I believe that was recently revised to 13.82 billion, thanks to the Planck space observatory. So, you know, pack some extra snacks for trip.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s