Well, they only had a few possible examples from the Mir and laboratory experiments to go on when constructing the tutorial. And I guess they showed the most obvious ones. Hence, "Expect the unexpected"!Howie wrote: I am confused?
As long as you keep aware of all the many unusual appearances and other pitfalls discussed in these forums, I reckon you should click on whatever seems of likely interest, and with any luck they'll get round to sorting it all out in the end (which is most likely going to be many months/years away - there's only 6 of them after all).
Despair not - this is science! And fun - no one else on this planet is seeing the things we are!