[blakewatson]

I think https://spaceengine.org/ fills part of your request. I haven't played it but I've watched videos about it and it looks like you can jump anywhere around the observable universe and look at any object you want.

[dotancohen]

This looks terrific. But it's Windows-only.

[digging]

I think it's available on Steam which would mean you could theoretically use it on Linux with Steam's Proton compatibility layer.