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WELCOME!
I'm an Astrophysicist at the
Harvard-Smithsonian Center for Astrophysics (CfA).
SCIENCE EDUCATION ,
including my 2002 book on
Peer
Instruction For Astronomy (a teacher's guide for introductory
undergraduate astronomy). See some popular science articles too.
The Chandra X-ray Observatory
where I work in the Director's Office. And a
video
where I philosophize about the Universe, Chandra and my job!
HOBBIES especially playing
bass with
The Wicked
Pickers . Before that,
J.P. Tropicale with Cornell Coley, before that,
the Little Big Band
Feed the Meter .
The is from
Hubble, showing
a distant cluster of (mostly red) galaxies acting as a gravitational
lens, producing the optical illusion of 4 (blue) images of the same
background quasar.
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