Vance Frickey answers “Is it still relevant/correct/upto date in...”

jvb asked this question about Cosmos:

Is it still relevant/correct/upto date in 2015? I believe much more would have been found, many theories would have been disproved etc since the time this book was written. So wondering if it is still worth reading. Don't want to end up knowing the wrong/outdated facts. :-)

Vance Frickey Much of Cosmos has aged very well. What's changed since book and documentary were first released mostly are whole new discoveries, not refutations of …moreMuch of Cosmos has aged very well. What's changed since book and documentary were first released mostly are whole new discoveries, not refutations of any specific assertions Sagan may have made.

That said, if you read Sagan's remarks on any topic, you'll want to Google the same topic for (say) wikipedia articles and other online resources which cover what he doesn't.

As Maurice Frank has noted below, we know much more about the universe since Cosmos was first released. The Hubble Space Telescope and other astronomical tools have radically changed how much we know about the universe around us, and the speed at which that knowledge is increasing is also increasing. It's a great time to be alive.(less)

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