# Get built-in curated data?

Posted 2 years ago
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 I have Mathematica 10.0 I typed in (as per the example): PlanetData["Mars", "Mass"] and evaluation simply returned: PlanetData[Mars,Mass] without a numeric evaluation as expected. Any Suggestions?
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Posted 2 years ago
 Your input works fine for me (Versus 11.0.1). Make sure you have the following selected in the preferences:"Allow the Wolfram System to access the internet"
Posted 2 years ago
 Thanks Sander,That's what my preferences are set to (unfortunately). I tried the Test Connectivity button and got a successful response. Still no evaluation. Curious!
 Have you tried some examples of the Documentation page? Do they work? What about other "Data" functions, like StarData or so?There are some 'hidden' functions that look at changes of paclet data like RebuildPacletData, maybe there is some error in your paclet-cache? Also make sure that all your paclets-sits are up-to-date: PacletSiteUpdate /@ PacletSites[] If those don't work, perhaps delete all your paclets in this directory: ToFileName[{\$UserBaseDirectory, "Paclets", "Repository"}] and try again.