Proof that aliens might have visited earth

No, but.....

Once, a few years ago, I was lying in my backyard star-gazing. At some point in time I noticed a speck of light moving across the sky. If it hadn't been moving, it would have looked like a star millions of light years away, yet this speck was moving across the sky, and it was moving fast.

It seemed far too high for an airplane, and I thought maybe it was a satellite, the space station, even the space shuttle. Yet, none of those explanations made sense. Then, I figured it was probably some kind of advanced military technology that could not only fly very high - perhaps even into suborbital space - but could move extremely fast.

For the first few seconds, .........Finish:  Proof that aliens might have visited earth