Perihelion

Definition and stakes

Portrait of Percival Lowell Percival Lowell,  The Solar System (1903)

“ The moment of rotation of a body of Mercury's mass is so great that it would take more than the Sun's might to suddenly alter it. The planet turns upon its axis, therefore, with a uniform spin. But its angular speed in its orbit is not uniform. Since the radius vector sweeps out equal areas in equal times, the angular velocity near perihelion exceeds that near aphelion. The revolution gains on the rotation here, and at the end of a certain time reaches its maximum ; after which the rotation gains on the revolution, and the deficiency is made up again at aphelion. ”
Source: Wikisource

Portrait of William Shakespeare William Shakespeare,  Pericles, Prince of Tyre (1609)

“ MARINA. First, sir, I pray, What is your title?
PERICLES. I am Pericles of Tyre: but tell me now My drown'd queen's name, as in the rest you said Thou hast been godlike perfect, The heir of kingdoms and another like To Pericles thy father.
MARINA. Is it no more to be your daughter than To say my mother's name was Thaisa? Thaisa was my mother, who did end The minute I began.
PERICLES. Now, blessing on thee! rise; thou art my child. Give me fresh garments. Mine own, Helicanus; She is not dead at Tarsus, as she should have been, By savage Cleon: she shall tell thee all
”
Source: Gutenberg

Portrait of Charles Lamb Charles Lamb,  Tales from Shakespeare

“ Pericles carried his young daughter (whom he named Marina, because she was born at sea) to Tarsus, intending to leave her with Cleon, the governor of that city, and his wife Dionysia, thinking, for the good he had done to them at the time of their famine, they would be kind to his little motherless daughter. When Cleon saw prince Pericles, and heard of the great loss which had befallen him, he said: 'O your sweet queen, that it had pleased Heaven you could have brought her hither to have blessed my eyes with the sight of her!' Pericles replied: 'We must obey the powers above us. ”
Source: Gutenberg

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