4,528 followers
Classifying the Cosmos
Springer
RT @CosmicKaufman: Keeping busy! Our author, former NASA Chief Historian Steven Dick, just sent me these pics of his new book. It's a craz…
RT @CosmicKaufman: Keeping busy! Our author, former NASA Chief Historian Steven Dick, just sent me these pics of his new book. It's a craz…
RT @CosmicKaufman: Keeping busy! Our author, former NASA Chief Historian Steven Dick, just sent me these pics of his new book. It's a craz…