...

Hmm! Let me guess, "Fruit at the Bottom of the Bowl?"

I think it's probably "The One Who Waits".

I think they're looking for "Examination Day" by Henry Slesar.

Three ants just getting started.

...or one fly leaving droppings...

Looks like ancient Martian to me. Perhaps they're trying to communicate? Those three dots could be the answer to Fermi's Paradox!

It's the first three raindrops falling on Venus after one hour's worth of sun.

Three holes in the sky thru which outerspace can pass!

Three holes in the (make that) daylight-sky thru which outerspace can pass!

Orion's belt as seen while going through the "Star Gate" (2001) ? !