Posts Tagged ‘Herschel’
Newton Minow, famed Chairman of the FCC during the Kennedy Administration, recalled visiting NASA with the President, who asked him about a satellite they were shown:
I told him that it would be more important than sending a man into space. “Why?” he asked. “Because,” I said, “this satellite will send ideas into space, and ideas last longer than men.”
Greg Roberts, a retired astronomer and ham radio operator (ZS1BI in Cape Town) has been observing and recording the sounds broadcast by satellites since 1957. He’s collected his recordings so that one can hear “ideas traveling through space,” for example, Telstar.
Hear them all at “Sounds from Space.”
* NBC News, introducing the “beep-beep” chirp transmitted by the Sputnik satellites
As we look to the skies, we might recall that it was on this date in 1781 that English astronomer William Herschel detected every schoolboy’s favorite planet, Uranus, in the night sky (though he initially thought it was a comet:; it was the first planet to be discovered with the aid of a telescope. In fact, Uranus had been detected much earlier– but mistaken for a star: the earliest likely observation was by Hipparchos, who in 128BC seems to have recorded the planet as a star for his star catalogue, later incorporated into Ptolemy’s Almagest. The earliest definite sighting was in 1690 when John Flamsteed observed it at least six times, cataloguing it as the star 34 Tauri.
Herschel named the planet in honor of his King: Georgium Sidus (George’s Star), an unpopular choice, especially outside England; argument over alternatives ensued. Berlin astronomer Johann Elert Bode came up with the moniker “Uranus,” which was adopted throughout the world’s astronomical community by 1850.
click here (and again) for a larger image
[TotH to Brainpickings]
Along these same lines, readers might also be interested in the “Perpetual Notion Machine” (which includes, as a bonus, the story of Dmitri Mendeleev and the “real” Periodic Table…) See also the Periodic Table of Typefaces (“‘There are now about as many different varieties of letters as there are different kinds of fools…’“) and the Periodic Table of Visualization Methods (“Now See Here…“).
As we constructively stack our writers’ blocks, we might wish a thoughtful Happy Birthday to Immanuel Kant; he was born on this date in 1724 in Königsberg, Prussia (which is now Kaliningrad, Russia). Kant is of course celebrated as a philosopher, the author of Critique of Pure Reason (1781), Critique of Practical Reason (1788), and Critique of Judgment (1790), and father of German Idealism (et al.).
But less well remembered are the contributions he made to science, perhaps especially to astronomy, before turning fully to philosophy. For example, his General History of Nature and Theory of the Heavens (1755) contained three anticipations important to the field: 1) Kant made the nebula hypothesis ahead of Laplace. 2) He described the Milky Way as a lens-shaped collection of stars that represented only one of many “island universes,” later shown by Herschel. 3) He suggested that friction from tides slowed the rotation of the earth, which was confirmed a century later. Similarly, Kant’s writings on mathematics were cited as an important influence by Einstein.