Question

Why the astronauts does not have day and night only they have night?

Answer 1

Astronauts experience day and night in the same way as people do on Earth. The only difference is that they do it 16 times in 24 hrs and we do it only one time.

Open the covers over the windows and the light can be so blinding that astronauts reach for their sunglasses. But after 45 minutes of daylight, a dark line appears on the planet, dividing Earth into night and day. For a couple of seconds, the space station is bathed in a coppery light and then complete darkness. Another 45 minutes later, and just as abruptly, the sun rises to fill the station with brilliant light again.

Answer 2

The space doesn't revolve aroud the sun. there isn't any atmosphere in the space. therefore there's only night but not day in space.