| They are vulnerable to micrometeorite strikes. |
| The passage of any object larger than a micrometeorite would cause it to collapse immediately. |
| The craft is made of several layers of vectran, a strong artificial fibre, and has foam shielding to protect it against micrometeorite impacts. |
| Three electrodes in the gyroscope housing can exert electric forces to support the rotor during spin-up, or in case a micrometeorite impacts on the satellite. |
| Investigators have not yet ruled out other explanations for the disaster, like a strike by a micrometeorite, radiation from a solar storm, but no evidence to support them has surfaced. |
| The engineers say they will not be surprised to find flapping insulation blankets or micrometeorite hits. |
