'Dwarf stars' diaporamas de présentation

Earth Science Notes

Earth Science Notes. Stars and Galaxies. What is a Star?. A star is a massive, luminous ball of plasma that is held together by gravity. Stars shines due to nuclear fusion in its core releasing energy that radiates into space.

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26 ECRS + 35 RCRC, Barnaul, Russia, 6-10 July 2018

26 ECRS + 35 RCRC, Barnaul, Russia, 6-10 July 2018 Red Dwarfs as Sources of Cosmic Rays and the First Detection of TeV Gamma-rays from these stars V.G. Sinitsyna, V.Y. Sinitsyna, Yu. I. Stozhkov P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia

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14-The Evolution of Stars and Gas in Galaxies

14-The Evolution of Stars and Gas in Galaxies. Elliptical Galaxies. Spiral Galaxies. Barred Spiral. Lenticular. Irregular ( L arge M agellanic C loud). Dwarf Spheroidal Galaxy. The Hubble Sequence. Corrected mean galaxy colors according to de Vaucouleurs (1961)

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The Sun

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ICPPA-2017 2-5 October 2017 Moscow

?????? ???????? ????? ??? ??????: ??????? ?? ??????????, ????? ?? ??????? ??????????????, ?, ???????, ????????? ?? ??? ?????????. ????? ?????????? About cosmic ray sources Y. Stozhkov, Lebedev Physical Institute, RAS, Moscow, Russia. ICPPA-2017 2-5 October 2017 Moscow.

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Life of a star

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Chapter 21

Chapter 21. Characteristics of Stars 21.2. Distances to stars. Parallax is the method used by astronomers to study th e distance to relatively nearby stars. Parallax is the apparent change in position of an object when it is observed from a different place. Classifying Stars.

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