-
The Crucible definitely look like the PvP area considering its logo. The Reef appears to be a mass of wrecked ships, as per the Destiny concept art.
-
My guess should have to be maybe some kind of giant cruiser that was abandoned and/or taken over by some alien race. Could go for either. I am also gonna guess the other is pvp zone like others have said. It might be its own area cause u have to get a ship to get there and u get your ship at a certain level. That way it restricts the level like bungie said the were gonna do. You will probably have to do story missions to discover the places then you can travel there afterward.
-
Crucible could be a the PvP arena, or a crappy Reaper destroying Kool-Aid plot device. As for Reef... idk. Maybe it could be a Fallen encampment?
-
Somewhere its been stated that the Crucible is the Competitive MP area
-
I've heard of the Reef before as their is a Queen of the Reef who is a Fallen and an NPC that gives missions. But this may of been changed by now. Crucible I'm not entirely sure as I've never heard of it before hand.