'Active stars' presentation slideshows

Welcome!

Welcome!. Sun and Seasons. Photo from http://sohowww.nascom.nasa.gov/bestofsoho/bestofsoho.html. Created by the Lunar and Planetary Institute For Educational Use Only LPI is not responsible for the ways in which this powerpoint may be used or altered. What are we going to cover.

498 views • 42 slides

The Sun

The Sun. The Sun. 70% hydrogen and 28% helium. Is a star Made of gases Is our primary source of energy Contains 99.8% of the entire mass of Solar System. Light (radiation). Image at http://science.nasa.gov/headlines/y2007/images/chromosphere/LimbFlareJan12_strip2.jpg.

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C ARMA L arge A rea S tar-formation S urve Y

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Linking Lithium and Cheetos

Linking Lithium and Cheetos. Dispersion In Lithium. Lithium destroyed (2.5 MK) during PMS - probe of stellar interior Lithium abundance dispersion at fixed mass, composition and age (IC2602, alpha Per, Pleiades) - why? - not predicted by standard stellar models

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An Even More Precise View of Aluminum-26 in the Solar Nebula

An Even More Precise View of Aluminum-26 in the Solar Nebula. 26 Al might have come from: Active stars before the Solar System formed, or Radiation of dust near the young, active Sun

152 views • 3 slides