"Alan Harris" is a Welsh playwright.

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However, to actually know what your seeing, a small telescope would be useful.

Create more difficulty than solving the problem.

I think my mom used to wonder, 'What are you saying when you're saying that?'

That is, we would still not know better than one-chance-in-five whether the impact would really occur or not.

Yesterday, we had a great rain storm for about 15 to 30 minutes, which helped matters a lot. However, today the rain is drying up and there is no more expected any time soon.

In a large telescope the motion would be perceptible against any stars in the field more or less in real time, sort of like watching the second hand on a clock, ... not quite that fast, but noticeable.

Whether you could see it from the center of London is another matter.

We really would need a transponder to improve tracking enough to firmly establish that an impact would occur.