The earth is a moving object, so all portals are moving through 3d space at all times.
It's probably dependent on the reference frame of the first portal, or the portal gun.
It can't be the portal gun since you can shoot it while flying through the air.
The earth is a moving object, so all portals are moving through 3d space at all times.
It's probably dependent on the reference frame of the first portal, or the portal gun.
It can't be the portal gun since you can shoot it while flying through the air.