"By submitting, posting or displaying Content on or through the Services, you grant us a worldwide, non-exclusive, royalty-free license (with the right to sublicense) to use, copy, reproduce, process, adapt, modify, publish, transmit, display and distribute such Content in any and all media or distribution methods (now known or later developed).

This license authorizes us to make your Content available to the rest of the world and to let others do the same... Such additional uses by Twitter, or other companies, organizations or individuals, may be made with no compensation paid to you with respect to the Content that you submit, post, transmit or otherwise make available through the Services."

https://twitter.com/en/tos

So if we were to colonize Mars, Twitter wouldn't have rights to the content there? What about Earth orbit?

I suspect courts will interpret "worldwide" to mean "universal" if it comes up, as the intent seems clear.