Rahul gives unsolicited advice

Having reproduced the results of the original paper and extending it, for now i'm just looking to learn tricks of the trade - automating tasks like fits file extraction and scatter plots, celestial projections of the objects, learning to make animations using matplotlib and whatnot. A Mollweide projection of 500,000 galaxies observed by the SDSS. A Mollweide Projection of ~300,000 quasars observed by the SDSS NOTE : You guys can see that the projection with quasars is a lot more uniform that the projection with galaxies - there are gaps in the filled region i.e dec range +-120:180! This maybe because galaxies can only observed till z<0.5 (maybe, i'll need to verify this). Beyond this point, galaxies aren't spatially resolved anymore and they look the same as stars. Also, beyond  this redshift, galaxies become too dim to even be observed, unlike quasars which are extremely luminous! The reason the quasar projection is more uniform (i'm speculating here) ...

This is second in a series of articles on the basics of astronomy and observational techniques. you can read the first article here . The articles will broadly cover the different kinds of telescopes used for the different energetic phenomenon associated with astronomy. In the previous article, the reader was hinted at the possibility of observations being carried out outside the visible spectrum using specific instruments. In this article, i will describe the different energy levels observed in astronomy and their associated phenomenon. I will mention the new telescopes which are observing emissions in these exotic bands and leave you to read further.  ElectroMagnetic Spectrum -  as we all know, the electromagnetic spectrum can be roughly divided up into -  Gamma Rays  X Rays  UV rays  Visible Light  IR rays  Microwave radiation  Radio waves this should help you better recollect the frequencies and wavelengths of the corresp...