On Mar 14, 3:02*am, "Szczepan Bialek" wrote:
In todays textbooks is wrote that speed of light is frequency dependent
(glass prism).
The same is in air (atmosphere). Why the heliosphere is different?

The difference of which you speak is very small. The atmosphere is
about 0.27 % of the total distance between the earth and the moon.
0.27% of "very small" would be very, very small.
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73, Cecil, w5dxp.com