star tool
T47
Fan
A dressing wheel or Star wheel dressing tool
Sextant.
you can get one using autozone loan a tool service.
you have to eat it
I have not came across any
You Check Mark in the settings...
The colour of starlight reveals the temperature of a star by wavelengths in the electromagnetic spectrum, to give a measuring tool for star temperature.
...another way of saying "You are not the sharpest tool in the shed".
a spectroscope