[Captain Beyond]

Do you have any idea what the dust clouds are composed of? If it is just silicate that would that not intensify the refraction of light? Are the clouds moving as a whole or do they dissipate over time? How dense are the clouds and is there a way to measure this using other closer clouds as a reference?

[RadioAstronomer]

Do you have any idea what the dust clouds are composed of?

Not at the moment, but there aer some folks I can ask. :-)