Survey
* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project
Download Lecture 8: Spiral Structure
Document related concepts
Aries (constellation) wikipedia , lookup
Nebular hypothesis wikipedia , lookup
International Ultraviolet Explorer wikipedia , lookup
Hubble Deep Field wikipedia , lookup
Perseus (constellation) wikipedia , lookup
Rare Earth hypothesis wikipedia , lookup
Andromeda Galaxy wikipedia , lookup
Corvus (constellation) wikipedia , lookup
Future of an expanding universe wikipedia , lookup
Observational astronomy wikipedia , lookup
Timeline of astronomy wikipedia , lookup
Cosmic distance ladder wikipedia , lookup
Transcript
![Epicycles… the short form. For lurid details, see [CO pp.1018-1030] φ](http://s1.studyres.com/store/data/008843298_1-98c16174ecb2a061ac002b14bc07a0da-150x150.png)
