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Titlebook: Rhythm in the Sky; Periodic Motions in Gautam Gangopadhyay,Anirban Kundu Book 2024 The Editor(s) (if applicable) and The Author(s), under

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發(fā)表于 2025-3-23 12:04:13 | 只看該作者
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發(fā)表于 2025-3-23 15:26:16 | 只看該作者
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發(fā)表于 2025-3-23 20:05:35 | 只看該作者
Gautam Gangopadhyay,Anirban Kundum Stellmotor versperrt. Wir erkennen, da? z. B. bei Absinken der Drehzahl infolge erh?hter Leistungsabgabe des Gebl?ses der Doppelkolben nach unten wandert und damit die ?lleitung zum unteren Zylinderteil des hydraulischen Stellmotores ge?ffnet wird, so da? dieser eine ?ffnungsbewegung des Frisch-da
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發(fā)表于 2025-3-23 23:47:03 | 只看該作者
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發(fā)表于 2025-3-24 06:23:51 | 只看該作者
Book 2024cepheid variables and pulsars to the strange oscillations of the neutrinos and the new eye to look at the universe, namely the gravitational waves. The book stops at the discovery of the black hole at the center of our galaxy, but that is just because we must stop somewhere, or the assortment could
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發(fā)表于 2025-3-24 10:30:46 | 只看該作者
2524-5546 topic from a new perspective.This book provides a brief and pedagogic introduction to a variety of topics, with a common motif that they all occur, in some way or other, in “the sky”, and involve some sort of “rhythm”. Sky is not just the inside of a dome; there are many strata, each with its own b
17#
發(fā)表于 2025-3-24 14:30:26 | 只看該作者
The Calendar, the Day and the Hour,eriodicity. Study of ancient eclipses helps us to synchronise ancient and modern calendars. The prime division of the day, the hour, initially followed the movement of the Sun. Periodic motion?of the bodies in the solar system was used to find out the longitude?both on land and on sea.
18#
發(fā)表于 2025-3-24 16:04:32 | 只看該作者
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發(fā)表于 2025-3-24 21:43:31 | 只看該作者
Flickering Candles: Cepheid Variable Stars, refined by later researchers. Interestingly, the measurement of Hubble’s constant?using Cepheid variables and the Cosmic Microwave Background?do not agree with experimental errors, a fact that has spurred intense activity.
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發(fā)表于 2025-3-25 00:35:35 | 只看該作者
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