Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: April 30, 2025
Herschel sought whether a spherical demi-envelop of luminous matter, and yet diaphanous, would not lead to a natural explanation of the phenomenon. As the brightness must be proportional to the quantity of matter traversed, there could not fail to be an appearance around the comet, of a semi-ring five times more luminous than the central regions.
Word Of The Day
Others Looking