Slide 1 Reading Unit 28, Unit 29, Unit 30 Will not be covered by the first exam Slide 2 As a blackbody object becomes hotter, it also becomes ____________ and _____________…

The Sun and other stars The physics of stars A star begins simply as a roughly spherical ball of (mostly) hydrogen gas, responding only to gravity and itâs own pressure.…

GEARS Workshop Wednesday Don’t forget there are hidden slides and notes – don’t just use the show 2011 Warm Up Online – and paper evaluation – Discuss how spectroscopy…

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1.BLACK HOLES IN GALAXIES Bryan Nozaleda 2. Aside from stars and the interstellar medium, what else do galaxies contain? • Galaxies often have large magnetic fields that…

Properties of Stars Distances to Stars The distance to a nearby star can be measured by observing its parallax - the apparent shift of its position on the sky relative to…