The strangers carves their glyphs into the portal's stone. They stride towards the threshold, confident, as if called fo

The strangers carves their glyphs into the portal's stone. They stride towards the threshold, confident, as if called forward by a familiar voice. They enter, and a brilliant flash of white distorts the recording. When the image settles, the portal is nowhere to be seen. All I see are stars, an endless parade of systems. The recording settles on a star and closes in rapidly. The same flash of light, and a new world blinks into existence. The recording ends. What have I just witnessed?