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2. Kozmologická inflácia
- Creator:
- Mészáros, Peter
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- kosmologie, cosmology, 6, and 53
- Language:
- Czech and English
- Description:
- Inflácia je kozmologický model zavedený kvôli tomu, aby riešil nezrovnalosti štandardného FLRW modelu. V prvej časti článku napísanej na základe kníh [1, 2] si objasníme, ako ich rieši. Potom si na jednoduchom inflačnom modeli vysvetlíme základnú teóriu kozmologických perturbácií. Túto teóriu je možné porovnávať s pozorovaniami anizotropií reliktového žiarenia [3-5]., Inflation is a cosmology model introduced in order to solve problems of the ACDM model. In the first part of this article we explain how they are solved. Then we demonstrate the basic perturbation theory on a simple model of inflation. This theory can be compared with observations of cosmic microwave background anisotropies by the Planck project., Peter Mészáros., and Obsahuje bibliografické odkazy
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
3. Mach, relativita a kosmologie
- Creator:
- Bičák, Jiří
- Format:
- print, bez média, and svazek
- Type:
- model:article and TEXT
- Subject:
- Mach, Ernst, 1838-1916, 19.-20. století, fyzici, teorie relativity, kosmologie, physicists, relativity theory, cosmology, Česko, Czechia, 6, and 53
- Language:
- Czech and English
- Description:
- We first recall the main features of Mach's radical attitude to the "philosophy of science", illustrated best by his criticism of absolute space and time, and discuss the impact of Mach's ideas on the birth of special and general relativity. The experiment to demonstrate "Machian effects" of dragging of inertial frames by a rotating body (carried out by four gyroscopes placed in an orbit around the Earth) was conceived in 1959 but only in 2014 was the satellite launched. The last results from the experiment were finally summarised at the end of 2015: they confirm the dragging as predicted by general relativity with an accuracy of 19 %. We show that a rotating black hole can even drag magnetic field lines and indicate possible astrophysical meaning of processes of this type. in the concluding parts, our investigation of dragging effects by gravitational waves and the study of Mach's principle in the context of cosmology, obtained in collaboration with Donald Lynden-Bell (Cambridge) and Joseph Katz (Jerusalem), are briefly reviewed., Jiří Bičák., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
4. Reception of Western Cosmological Models in the Seventeenth-Century Russia /
- Creator:
- Čadajeva, Olga
- Type:
- text and studie
- Subject:
- Dějiny SSSR a Ruska, kosmologie, filozofie přírodní, heliocentrismus, vztahy vědecké, Rusko, světové dějiny novověku (1492-1918), and vědy o neživé přírodě, přírodní prostředí, astronomie
- Language:
- English
- Description:
- Recepce západních kosmologických modelů v Rusku v 17. století.
- Rights:
- unknown
5. The Mantegna Tarocchi and the View of the World in Northern Italy in the 15th Century /
- Creator:
- Skopalová, Eva,
- Type:
- text and studie
- Subject:
- Grafické umění. Grafika, grafika, umění renesanční, hry, kosmologie, Itálie, světové dějiny středověku (do r. 1492), and malířství, malíři
- Language:
- English
- Description:
- Tzv. Mantegnův tarot a vize světa v 15. století v severní Itálii.
- Rights:
- unknown