Quote:
Originally Posted by karilann
Our news station told us to watch for it in the late afternoon. We thought we might have seen it.
It was really high in the sky and moving very quickly....however, it showed a vapor trail like a jet does. Would it have a vapor trail?  |
It moves faster than a jet at altitude, but I don't know about a vapor trail. They're also known as con trails, short for condensation. I really don't know if there's vapor in space.
And I've never seen the ISS in daylight but it is possible.