SKU: 55015319621

Das Kopernikus-Planetarium

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Das Kopernikus-PlanetariumDas weltweit erste mechanische Planetenmodell als Kartonbausatz: Es zeigt die Bewegungen der inneren Planeten Merkur und Venus sowie des Mondes und der Erde, wobei diese sich um ihre schrg stehende und immer gleich ausgerichtete Achse dreht. Eine Kurbelumdrehung an dem Getriebe aus Gummiriemen und Rillenrdern entspricht dem Ablauf einer Woche. Dabei ruft es sechs verschiedene, gleichzeitige Bewegungen hervor, die zueinander im angenherten Verhltnis

Das weltweit erste mechanische Planetenmodell als Kartonbausatz: Es zeigt die Bewegungen der inneren Planeten Merkur und Venus sowie des Mondes und der Erde, wobei diese sich um ihre schräg stehende und immer gleich ausgerichtete Achse dreht. Eine Kurbelumdrehung an dem Getriebe aus Gummiriemen und Rillenrädern entspricht dem Ablauf einer Woche. Dabei ruft es sechs verschiedene, gleichzeitige Bewegungen hervor, die zueinander im angenäherten Verhältnis der tatsächlichen Umlaufzeiten stehen. Viele himmlische Vorgänge lassen sich so vom kopernikanischen (heliozentrischen) Standpunkt aus erklären, z.B. das Wandern der Sonne durch den Tierkreis oder die Konjunktionen von Merkur und Venus untereinander und mit der Sonne. Die Sonne mit heller LED-Beleuchtung zeigt im dunklen Raum nicht nur den Wechsel der Jahreszeiten, sondern auch das Entstehen der Mondphasen, der Finsternisse und die Sichelphasen der Venus.

EAN: 4260568972294
Farbverschnitt: Generell werden die Bücher ohne Farbverschnitt geliefert, auch wenn die Abbildungen einen Farbverschnitt zeigen.
Erscheinungsjahr: 2019
Produktform: NonBook
Autoren: Hünig, Klaus
Keyword: Planetarium; Planetenmodell; Kurbel-Planetarium; Kartonbausatz
Fachschema: Mechanik~Non Books / Spielzeug~Technologie~Sonnensystem
Fachkategorie: Astronomie und Raumfahrt: Sachbuch~Technologie, allgemein, Sonnensystem: Sonne und Planeten
Text Sprache: ger
Verlag: AstroMedia GmbH
Länge: 331 mm
Breite: 226 mm
Höhe: 74 mm
Gewicht: 756 gr
Genre: Spiele, PBS
Herkunftsland: DEUTSCHLAND (DE)
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SKU: 55015319621

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This is a great resource for anyone who wants to own and operate an Airbnb (short-term rental housing). The book is comprehensive. It starts with the basics and goes on and on, covering every conceivable issue, from startup basics to day-to-day operations, legal issues that might come up, how to hire a cleaning crew—even real estate issues many people might not be aware of. The only thing I found missing was instructions for how to deal with bedbugs, which are a growing problem throughout the world (and can wreak havoc on any rental property). The book is well-organized, which makes it easy to read… perfect for anyone trying to learn the business from the ground up. It is well-researched, with many examples to show the reader how things work in the real world. There are a number of resources mentioned also: websites for additional information on how to compare rates, and so on. The author is practical and pragmatic. He balances caution with enthusiasm (and vice versa). I recommend it to anyone who wants to gain additional income through Airbnb.
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