Thursday Links: Neil deGrasse Tyson Gets Curious

* Sarah Silverman and Jim Gaffigan talk space with Neil deGrasse Tyson.

* The Petraeus Files: All the Photos, Chats, Poems, and Other Super-Secret Emails They Don't Want You to See, by Ted Travelstead, for your Kindle.

* A new idea in energy that lives off the grid.

* A visual guide to President Obama analogies.

* The Onion sits down with a terrorism grant winner.

* It's comedian Todd Glass's one year coming-out party.

* Dan Deacon reminds us what America looks like.

* When to tell your sex partner about your Civil War figurines.

* Congratulations to Donald Trump for exposing everyone's hatred of him.

Tags: Civil War, Daily Links, David Petraeus, Donald Trump, Energy & Oil, John Boehner, LGBT, NASA, Neil deGrasse Tyson, Sarah Silverman, Terrorism, The New York Times, The Onion, Todd Glass