- Grab the nearest book.
- Open it to page 161.
- Find the fifth sentence.
- Post the text of the sentence in your journal along with these instructions.
- Don't search around for the coolest book you can find. Do what's actually next to you.
"The bulk density of Titan is so low that there must be a vast supply of water and other ices, probably including methane, which are at unknown rates being released to the surface by internal heating."
(From Cosmos, by Carl Sagan.)