Relationships...
I don't understand how I have managed 7 months in this relationship, foul play must be afoot.

But really, I love mysteries and would love to know what the UFO I saw was. Day time, 6 of us watched it. only a few hundred feet high... weird 2D type view, constantly changing shape, dead black with no features.

Can a bin bag hold a flight trajectory for 5 odd minutes?
(feedingtimeatthezoo day 1 of his bikini diet started, Thu 13 Oct 2011, 13:06, 3 replies)

I guess it might be able to in correct atmospheric conditions...

( sleepybinky, Thu 13 Oct 2011, 13:24, closed)

Yes.

Good call, that's probably exactly what you saw.

I once was sitting in my back garden in the middle of a housing estate in Shrewsbury on a sunny afternoon, when what seemed like half a haystack landed quite gently on my lawn. Another half a haystack was hovering indecisively about 50 metres up in the air, and after a while it buggered off and presumably landed somewhere else. When I gathered up what had landed in my garden there were to full black liners worth of hay cuttings. Funny what'll take to the air given a chance.
(SonofRojBlake, Thu 13 Oct 2011, 14:18, closed)

In order to judge the size of something
Unless it overlaps with something of known size, you use the parallax effect set up by your eyes. If an object is more than 18 metres away, it is impossible (not "difficult", not physically possible) to tell how big it is. As a corollary of that, it is also impossible to tell how far away it is.

So yeah, binbag.
( MatJ LOOK, Fri 14 Oct 2011, 0:39, closed)