PlNote how only two posts in this thread are actually about the topic.
(Runescaptdg and Bla)
@mudkipz
Instead of making people feel unwelcome by saying "English?" when this post is in English... try something like "I'm sorry I don't understand. Can you clarify what you're asking please?"
Please consider that English is not everyone's primary language.
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@ Runscapetdg
Welcome. Thanks for knowing English at all. I'm sorry I don't know French so that you could have asked your question in your native language.
There's no way to adjust label placement in the current version of Universe Sandbox. Why do you want the labels at the top?
And I hope to eventually localized versions of Universe Sandbox (in French, for example), but this is still a long way away.