Encyclopedia > HDE

  Article Content

HDE

The Henry Draper catalogue Extension is an extension to the famous Henry Draper Catalogue, a collection of positional and spectroscopic data about hundreds of thousands of stars.

It can be recognized by the prefix HDE, followed by a number indicating the star's position in the catalogue.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Goulash

... thus it fits occasions when there are many hungry people and a busy cook. There is no "official" goulash recipe, but here is one very simple one, being pretty ...