2017 READING CHALLENGE
This year is coming to a close, which means it’s time to […]
Hello, I'm an eBook!
ATTENTION: This item is an eBook. It can be read on iOS, Android, MAC and PC's with a supported eReader. It is not a physical book. eBooks are available via download immediately after you've checked out.
Shipped from other seller
May ship separately
Ships separately from Better World Books suppliers
Big River Books
Clean Earth Books
Super Book Deals
One Stop Shop Bookstore
Ambis Enterprises LLC
M and N Media
Everyone knows that there are things no one can see, for example, the air you're breathing or a black hole, to be more exotic. But not everyone knows that what we can see makes up only 5 percent of the Universe. The rest is totally invisible to us.
The invisible stuff comes in two varieties--dark matter and dark energy. One holds the Universe together while the other tears it apart. What these forces really are has been a mystery for as long as anyone has suspected they were there, but the latest discoveries of experimental physics have brought us closer to that knowledge. Particle physicist Dan Hooper takes his readers, with wit, grace, and a keen knack for explaining the toughest ideas science has to offer, on a quest few would ever have expected: to discover what makes up our dark cosmos.
Our best deal on used books 3 for $10 and just $3 each additional book. Shop and Save
Our gift certificates are quick, easy and sure to suit everyone, perfectly. Order Gift Certificates »
We match every book you purchase with a book donation. Learn more »
Sign up now to get news, sales and special promotions!
© Better World Books (BetterWorldBooks.com)