Methods

Analize energy spectrum and elements:

1. Search for an astronomical object and make sure that ther's a .tar format picture on chandra
2. Download the picture and turn it in to a .fit format using ezy zip.
3. Open the image in Js9 and analize the enrgy espectrum
4. Save the graphic and open it at image J 
5. Make out a % of the higgest pics
6. Go back to Js9 and look for the 
7. Go to http://hyperphysics.phy-astr.gsu.edu/hbase/hyde.html and look for the element that the      is.

Exoplanet radius:

1. Search an exoplanet
2. Look for the dades of this exoplnet
3. Look for a light curve graphic
4. Use the fromula to calculate the radious.