The Astronomer (Johannes Vermeer, 1668):

TWINKLE, TWINKLE, QUASI-STAR

Twinkle, twinkle, quasi-star
Biggest puzzle from afar
How unlike the other ones
Brighter than a billion suns
Twinkle, twinkle, quasi-star
How I wonder what you are.

(G. Gamow, 1964)

Contents:

• Research interests
  
• Selected recent publications
  
• Astronomy Outreach
  
• Astronomy Education/Awareness
  
• Useful AGN research related links
  
• Einstein, on science
  
• PDB's travel
  
• PDB's Jan-Feb.2000 Chile trip
  
• Inaugural Lecture (in Dutch), June 8, 2004
  
• College KinderUniversiteit (in Dutch), 29 juni 2004

Lost in (AGN) space?
How about some course work?

Sterrenkunde 1A (2005)

Active Galactic Nuclei (2003)

Het Evoluerend Heelal (2005-2006)

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• PDB's mnemonic for pi

• and what about Astrology?
  

• PDB's music dept

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Email: pdb@astro.rug.nl