what's the difference between a blimp and a zepplin
Blimps have no internal support structure, like a balloon. A "blimp" with internal rigid supports, to help keep its shape, is called a dirigible. An airship specifically built by the "Zeppelin" company is called a Zeppelin (like a truck built by the Ford Motor Company could be called a Ford).
I'm not sure if the OP of this photo used the terms correctly. I suspect not, as I can only find references to Goodyear owning blimps, not dirigibles, and the Zeppelin company does not make blimps.
Edit
Upon doing more research, it turns out I was wrong in the last paragraph. As of 2014, Zeppelin does indeed make non rigid airships, and Goodyear operates one.
The new Goodyear “blimp” is a Zepplin NT. It is a semi rigid airship and does have an internal structure. I used to work for airship ops.
I had no clue Zeppelin (the company) was revived and makes airships once again, very cool
I took a video of one landing here near Bonn, Germany: https://youtu.be/W8JPNBnPyEE?si=fBJqmEG9m2GJNp0-
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