Slide 1Chapter 24 Stars, Galaxies & the Universe Slide 2 Distance units To talk about space we need to come up with distance units a little more appropriate than just…

1.Aishwarya . A 2. • Etymology • The Big Bang • The origins of the theory • Various phenomena explained by the Big Bang theory • The expanding universe • The…

Stars: The beginning of the end HELIUM BURNING: For stars that live most of their lives in the main sequence, helium burning is the beginning of the end. The overall thermonuclear…

Slide 1 Question 1 Stellar parallax is used to measure the a) sizes of stars. b) distances of stars. c) temperatures of stars. d) radial velocity of stars. e) brightness…

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…

DISTANCES Parallax is an object's apparent shift relative to some more distant background as the observer's point of view changes As the distance to the object…