Rebels and Reformers: Biographies for Young People

by Baron Arthur Ponsonby Ponsonby; Dorothea Ponsonby

Through the windows of the spacious rooms filled with carved furniture and decorated with pictures and tapestries you catch a glimpse of a glorious view of the Swedish and Danish coast, with the towers of Copenhagen in the far distance. In the great library there are cabinets of rare and beautiful objects: the walls are lined with books: the tables are piled with papers all covered with numbers and geometrical figures: curious-looking instruments stand on the shelves: an enormous brass globe occupies one corner of the room and a complicated-looking clock, all wheels and works, stands in another. Down in the basement you find a vast apartment where masses of bottles and crucibles and retorts and glasses filled with strange-colored mixtures are ranged on shelves and tables. Who on earth lives in such a place as this? you ask the attendant. It is the Castle of Uraniborg, he tells you, the home of the Danish astronomer Tycho Brahe—the greatest astronomer of the age—who is known as “the noblest of the learned and the most learned of the nobles,” and he whispers under his breath that he is a magician.

TYCHO BRAHE

Laughter and the sound of animated voices reach you as you pass the door of the banqueting hall. Your informant explains that there are guests in the castle—a prince and his suite have spent the day there, and some learned men from foreign lands form part of the company. The evening is closing in, and attendants come hurrying from all quarters carrying books and instruments; a student from one of the observatories in the towers goes into the hall to inform his master that the night is clear. Through the open doorway you catch sight of the great man himself, sitting at the end of his dining-table, discoursing vivaciously to his guests. He is a broad-shouldered, burly-looking man, with short, bright red hair and a thick mustache curling over an auburn beard. But what an odd nose he has got! it seems to shine like metal. It is metal, the attendant tells you: for once, as a student, he fought a duel with another student, and his adversary got the best of it and slashed Tycho’s nose right off with his sword. He made himself a new nose out of a mixture of gold and silver, which he stuck on and wore for the rest of his life. Crouching at the foot of his chair you observe a funny little dwarf, his jester, who from time to time takes morsels of food from his hand and interrupts the conversation with some ridiculous joke.

Soon the banquet is over, the procession passes out, and you notice how grandly the astronomer is dressed, with doublet and white ruff, a sword at his side, a chain of gold round his neck. The prince and his courtiers do not appear more magnificent. Is it out of compliment to his guests? No, you are told; when he goes to watch the stars, even alone, he always dresses like this, as if he were some great ambassador accredited by the earth to the heavens.

The guests walk across the castle yard, down a flight of steps to a domed subterranean building not far off called Stjerneborg—the castle of the stars—which is entirely given up to astronomical requirements, the only decoration on the walls being portraits of astronomers, including one of Tycho himself. There, when the prince has left the island and the other guests have retired to rest, the astronomer will remain rapt in contemplation of the mysteries of the universe.

Our remotest ancestors were struck with awe and interest when they looked at the heavens. They believed them to be the residence of God, and at the same time they were their clock and calendar. Astronomy is a very ancient science. It was practised by the Egyptians, the Chinese, and the Babylonians in the remotest ages of history, as well as by the Arabs and Greeks. The most marvelous discoveries have been made with regard to the number and motion of the stars since the days when primæval man looked on the heavens as a great blue vault “fretted with golden fire.” It may have been thought once that the stars could be numbered. The telescope and photography have shown this to be impossible, and have taught us the overwhelming fact that our universe contains, at the very least, one hundred millions of suns, and that the light from some of the most distant stars has taken over 18,000 years to reach us! This seems very bewildering, though not more so than to know that there are animals so minute that if a thousand of them were ranged abreast they would easily swim, without being thrown out of line, through the eye of the finest needle. We live in the midst of incomprehensible marvels, infinitely great and infinitely small, between the limitless future and the limitless past.

What wonderful patience and toil it must have required for the astronomers of all nations, working together and comparing notes, to store up the vast amount of knowledge of the heavens which we now possess. It is amazing, too, to think how three or four hundred years ago they were able to make so many discoveries and calculations without the aid of a telescope. For before 1600 the telescope was practically unknown. So when you see standing in a modern observatory gigantic instruments, thirty or forty feet long, of marvelous ingenuity and highly complicated mechanism, which in spite of their size and weight are capable of being moved by a hair’s breadth and adjusted to the hundredth part of an inch: their object-glasses alone perhaps over thirty inches in diameter, costing thousands of dollars; and then you think of these early astronomers gazing through a hole in a vaulted roof at the tiny specks of light with their naked eye, the work they accomplished appears still more astounding. It is true that their discoveries were at first casual and haphazard. But at last it occurred to one of them that the progress of astronomy depended on continuous observation and the most scrupulously accurate calculations, carefully planned and carried on over a number of years. It was Tycho Brahe who first did this.

You have heard of Copernicus, the Pole, who was really the founder of modern astronomy, because he discovered that the earth went round the sun and was not the center of the universe, as every one had supposed. He died three years before Tycho Brahe was born. Galileo, the famous Italian, was born in 1564 and lived till he was seventy-eight. He made further discoveries about the stars and used a telescope of a very primitive kind. He supported Copernicus’s theory with regard to the relative movement of the earth and the sun, and this brought upon him the serious displeasure of the Church. The notion that the earth was not the center of the universe was considered wicked and blasphemous. The Pope commanded him to come to Rome, and after a long trial he was made, under the threat of torture, to retract what he had said. The story is that as he turned away at the end of his trial he stamped his foot on the ground and muttered: “E pur si muove!” (And yet it does move!)

Kepler is another well-known astronomer, of whom we shall hear again. These three are all more eminent men than Tycho Brahe, whose fame does not depend on any startling discovery, but on the fact that he devised wonderful instruments, and by unceasing energy and industry collected a mass of material which was of untold value to his successors. But perhaps most of all it is his romantic life and his strong character which make him stand out in history.