>From a class in Tokyo, 4/28/72:

Sudama: "The inhabitants of the Vaikuntha planets are described as having
a glowing, sky-bluish complexion."

Prabhupada: Yes, syamavadatah, syama, syama. syamasundara. Krsna is known,
therefore, syamasundara. This is the sky color. You can understand.
Because the sky has no own color, because the color of Krsna is spread as
brahmajyoti, that is being reflected in the sky. This is the color of God.
Syamasundara, therefore called. Yam syamasundaram acintya-guna-svaurpam
govindam adi-purusma tam aham... So we can see at least the color of the
Lord. Here it is said, sky-bluish. How can you deny? Who can say that I
have not... If you have seen... Just like the sunshine. Sunshine is whitish.
So in the sunshine, you can see the whitish color. So you can at least
imagine what is the color of the sun planet, what is the color of the
predominating deity there. A little intelligence required. So if the sky...
When clear sky, you see bluish sky. That is reflection of Kas bodily
effulgence. Yasya prabha prabhavato jagad-anda-koti. Yasya prabha, by
expansion of the bodily effulgence, the brahmajyoti... In that brahmajyoti
there are many universes, in that brahmajyoti, jagad-anda-koti. The skys
bluish effulgence is there. Above this material sky there is another sky
whose reflection you simply can see little. Just like outside there is a
brilliant light, so you can get little reflection within your room,
similarly, this universe is dark and covered. It is covered, round,
surrounded. But outside that universe... Or this universe is floating in
that effulgence. It is reflected. The sky is reflected bluish. This is the...
Let the so-called scientist challenge it. Here is a description from the
Bhagavata: yasya prabha.