She doesn't, she just holds it in the socket and waits for the world to revolve around her.
Astronaut-----
Because the mail was always above her.
A: He holds it in the air and the world revolves around him
Just one. He holds the bulb and the room spins.
None if nobody's looking.
You weren't there, man!
Wait, I can explain everything!
Because it made her wait seven minutes before posting something.
One. They just hold the bulb in place and the world revolves around them.
He holds the lightbulb and the world revolves around him.
None. They just hold it in the socket and expect the world to revolve around them.