Dark matter visualisations in various colours. Clockwise from top left, #Millennium, #Boshoi, #MXXL, #Uchuu simulation.

#Astronomers & #Cosmologists, I know we say that you can't see #DarkMatter, but can we please settle the question, what colour is it, *really*?

For references, see image in the reply (clockwise from top left, #Millennium, #Boshoi, #MXXL, #Uchuu).

#astrodon #astronomy #cosmology #astrophysics #simulation