Stardust@home

There are three more to the bottom left. But as for now nobody knows what these are. They are believed to be inclusions in the aerogel but they might be tracks as well. We have to wait until the S@H Team makes an official Statement.

it's a calibration movie anyway, so nevermind.

The calibration Movies (at least some of them) are in lower quality than the real ones which makes them easy to spot. You may choose if you call this an issue or not. Regards. P.