Space Oddity is my personal favorite, and it’s the only one I own that isn’t a Bowie Compilation, of which I have 2-3.
Other artists/albums that (depending on age) everybody’s probably already heard that I’d recommend:
Billy Joel, has always been a favorite of mine, which may or may not be to everyone’s taste (shrug), and if I had to pick best albums it would probably be Nylon Curtain, Piano Man, and Storm Front.
If you end up liking any of Billy Joel’s work, I’d recommend the more modern Gabe Dixon Band, especially their self titled 2008 album.
Or for something completely different, I am also a huge fan of Shinedown, so I’d take a look at Somewhere in the Stratosphere.