Slide 1Earths Energy Balance The Sun, our atmosphere and our planet Slide 2 2 Sources of Energy Which of the following energy sources derive their energy ultimately from…

Slide 1Our Place in the Cosmos Lecture 11 Understanding Stars - the H-R Diagram Slide 2 Understanding Stars We saw in the last lecture that by measuring the brightness, distance…

1.The SunSolar Composition • The Sun consists of hydrogen, about 73.4 percent by mass, and helium, 25 percent, as well as a small amount of other elements. • This composition…

Slide 1The Sun and Earth in the distant future  Introduction  Evolution of the Sun  Fate of the planets (and us)  The end-game 3-D simulation of a pulsating red…

Slide 1 Paleoclimate Review Sanpisa Sritrairat January 26, 2007 Slide 2 Topics to be covered Important climatic states of the earth Evidences Why did “climate change”?…

Slide 1 Announcements Test this week (all about stars) Turn in Homework 11 today Pick up Homework 12 Questions on last 3 assignments? Second project is due December 1 Slide…

Slide 1 Stars & The Sun If you want to make an apple pie from scratch, you must first create the Universe- Carl Sagan Slide 2 Characteristics of the Sun SUN Radius696,000…

Slide 1 Drift of solar constants for the Earth (1), Venus (2) and Marc (3) due to increasing of Sun’s luminosity. Within an interval formed by carves 4 and 5 the Earth’s…

Slide 11 Slide 2 Exoplanet detection (500+) 2 Gravitational attraction between a stellar mass (sun) and planets (bigger the better, why?) makes sun’s position wobble about…

Slide 1Comet Shoemaker-Levy Slide 2 Bit of Administration …. ReadingReading –BSNV Chaps. 9 and 15 Additional observations for Lab 2, through April 5Additional observations…