They can't raise their heads, so no. If they lay on their sides or backs they can.
Another Opinion:
Pigs can look up in the sky. They have those muscles and they are far more powerful than ours. See this photo of pigs looking up to Walter who is above them and they can obviously look up into the sky.
For further information please view the attached related link, specifically the second attached photograph.
yes they have eyes
None ! A pig can't look up.
Well, contrary to popular belief, pigs cannot fly. They also can't look up at the sky.
sky
The Pig because it doesn't have enough spinal plates in its neck so it can't look up
To look at the sky, you hit the up button on your Wii remote.
Your sky daddy.
look up at the sky
Look Up in the Sky - 2012 They Took Her was released on: USA: 25 January 2013
stars are referred to as being in the sky, If you refer to the sky as everything that you see when you look up..then yes
Stars, idiot.
Go outside, look up....bingo!
Pigs