Dates/Quiz
Dates is a lecture regarding the times that are assigned to events.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Solvogn.jpg/200px-Solvogn.jpg)
This is a quiz based on the lecture that you are free to take at any time.
Once you’ve read and studied the lecture itself, the links contained within, listed under See also, External links and in the {{History of science resources}} template, you should have adequate background to take the quiz.
Suggestion: Have the lecture available in a separate window.
Enjoy learning by doing!
Quiz
edit
Hypotheses
edit- The history of radiation astronomy dates at least to 42,000 b2k.
See also
editExternal links
edit- NASA/IPAC Extragalactic Database - NED
- The SAO/NASA Astrophysics Data System
- SIMBAD Astronomical Database