Cd of spheres of different diameters versus Mach and Reynolds of their flow, according to Miller and Bailey (SPHERE DRAG AT MACH NUMBERS FROM 0.3 TO 2.0 AT REYNOLDS NUMBERS APPROACHING 10^7, by Donald G. MILLER and Allan B. BAILEY, J. Fluid Mech. (1979), vol. 93, part 3, pp. 449-464, <a rel="nofollow" class="external free" href="https://dx.doi.org/10.1017/S0022112079002597">https://dx.doi.org/10.1017/S0022112079002597</a> ).
<a href="//commons.wikimedia.org/wiki/User:Bernard_de_Go_Mars" title="User:Bernard de Go Mars">Bernard de Go Mars</a>
<span class="int-own-work" lang="en">Own work</span>