Fig Credit: (one of my favorite comics - XKCD)

Today i'm reading the intro part of the book that talks about different types of telescopes. I might have read it before but i guess i should be familiar with them. When I talk with my fellow astronomer friends, I want ...

To best honest I never read the book very carefully when it was used as the text for my 2nd year cosmology data analysis class (sorry Chris). It is actually quite a fun read since it started by describing the important stat. developments throughout history in the first chapter and ...

Was reviewing some basics in astronomy. Stuff such as the color-magnitude diagram for showing the relationship between the color and the brightness of stars (weird that astronomers call it color-magnitude coz it is really magnitude vs color diagram). Was also glad to see discussions of collisionless encounters (e.g. stuff ...