'Red supergiants' diaporamas de présentation

Star Power!

Star Power!. Lighting up the Night Sky. When you look at the sky on a clear night, you can see dozens, perhaps even hundreds, of tiny points of light. Almost every one of these points of light is a star, a giant ball of glowing gas at a very, very high temperature.

516 views • 30 slides

Asteroseismology across the H-R diagram

Asteroseismology across the H-R diagram. Travis Metcalfe. Observables. ( l =1, m=0). ( l =2, m=0). ( l =3, m=0). asteroseismology.org. (p-)ressure and (g-)ravity. Montgomery & Winget (1999). Excitation mechanisms. Dutch Open Telescope. Solar-like oscillations.

524 views • 21 slides

The life cycle of a star

Science 9 . The life cycle of a star. Gravity is a force that pulls objects toward each other The more mass an object has, the more gravity it exerts The Sun has stronger gravity than Earth The force gets smaller as the distance between two objects increases

305 views • 18 slides

Objects Beyond our Solar System

359 views • 18 slides

Discovery of an Extraordinarily Massive Young Stellar Cluster

Discovery of an Extraordinarily Massive Young Stellar Cluster. Donald F. Figer Rochester Institute of Technology/STScI J. MacKenty, M. Robberto, K. Smith (STScI), F. Najarro (CSIC), R. Kudritzki (UH), A. Herrero (IAC). Main Points.

298 views • 18 slides

Stars and Galaxies

Stars and Galaxies. The Evolution of Stars. Classifying Stars: The H-R Diagram. One of the most useful ways to classify and describe stars was discovered by Ejnar Hertzsprung and Henry Russell in the early 1900s.

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Stellar Evolution

241 views • 11 slides

Star Life Cycles 1

Star Life Cycles 1. A star generates energy by nuclear fusion reactions in its core. The color of a star is determined by its surface temperature . (Copy this diagram).

248 views • 8 slides