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Profile: Dr. Jean Cottam
For her graduate work, Jean chose to study astrophysics - "a wonderful field
with wide open discovery space." And because it blends lab work and ...
http://imagine.gsfc.nasa.gov/docs/features/bios/cottam/cottam.html - 29k

Ask an Astrophysicist: The Night Sky
Solar System. General Astronomy & Astrophysics. Resources for this Topic.
StarDate Online including their monthly sky almanac, Stargazing. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/night_sky.html - 21k

Other Good General Science Education Web Sites
Ranging from observational astronomy to computational astrophysics, there's
a wide range of software for a variety of computer platforms. ...
http://imagine.gsfc.nasa.gov/docs/teachers/best.html - 17k

Description
Robert Kirshner, Kluse Professor of Astronomy at Harvard University, is an
astronomer at the Harvard Smithsonian Center for Astrophysics. ...
http://imagine.gsfc.nasa.gov/descriptions/Kirshner_clip1.html - 15k

Speed of light
The precise reason why the values for mu and epsilon are smaller in media
rather than a vacuum is a little outside of astrophysics and is more ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970611d.html - 16k

GLAST prelaunch audio
NASA's Fermi mission is an astrophysics and particle physics partnership,
developed in collaboration with the US Department of Energy, along with ...
http://imagine.gsfc.nasa.gov/docs/features/glast_ritz_prelaunch_audio.html - 13k

Physics of X-ray Imaging
critical angle at 1 keV is about 1 degree. Contributed by Rob Petre of
the Laboratory for High-Energy Astrophysics, GSFC. ...
http://imagine.gsfc.nasa.gov/docs/science/how_l2/xtelescopes_physics.html - 17k

A Brief History of X-ray Telescopes
Proportional Counter (PSPC) instrument. Contributed by Rob Petre of
the Laboratory for High-Energy Astrophysics, GSFC. ...
http://imagine.gsfc.nasa.gov/docs/science/how_l2/xtelescopes_history.html - 20k

Exoplanets and Brown Dwarfs
This is somewhat outside our field of expertise (which is X-ray, gamma-ray
and cosmic ray astrophysics), but I've managed to find a definition in the ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/971023e.html - 15k

Superfluid Cores in Neutron Stars
Finally, if you're interested in more recent work, I'd suggest you use the NASA
Astrophysics Data System: http://adsabs.harvard.edu/. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970213.html - 17k

Units to measure distance in astronomy
for distances between galaxies, and cosmology it is Megaparsecs (Mpc): ... is
a service of the High Energy Astrophysics Science Archive Research ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980226c.html - 16k

X-ray Bursts
(For more information on X-ray binaries, take a look in the Basic or Advanced
High Energy Astrophysics sections of Imagine the Universe!). ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/961213b.html - 18k

Discovery of Quasars
quasi-stellar object. This description is paraphrased from a book,
"High Energy Astrophysics", by MS Longair. Also, you ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980316b.html - 15k

Active Galactic Nuclei (AGN)
The Question. (Submitted June 08, 1998) I have absolutely no experience
in astrophysics but a friend of mine did aa thesis on AGN. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980608a.html - 16k

Information on Extraterrestrial Life
I'm an undergraduate student in Physics and I would like to have some
information on extra-terrestrial life for my astrophysics project. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970317b.html - 15k

Falling into Black Holes
You can also learn more about black holes by taking a look at the Imagine
the Universe! page on the basic high energy astrophysics of black holes. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970217d.html - 16k

BKZS Limit
MeV; subsequent research revised that maximum to about 12 MeV (see, for
example, AA Zdziarski, 1982, Astronomy and Astrophysics Letters, vol. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/960530.html - 18k

Black Hole Singularities
Cosmology Primer on the Berkeley web site: http://cosmology.berkeley.edu ...
is a service of the High Energy Astrophysics Science Archive Research ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/040527a.html - 16k

Black Holes Consuming Everything
And this one has info on cosmology: http://www.astro.ucla.edu ... is a service of
the High Energy Astrophysics Science Archive Research Center ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/010709a.html - 16k

Black Holes and the Speed of Light
as the one by Steven Weinberg ("Gravitation and Cosmology..." 1972 (Wiley ...
is a service of the High Energy Astrophysics Science Archive Research ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970314d.html - 16k

Solar and Galactic Motion
Imagine Home | Ask an Astrophysicist | Current page. The Question. (Submitted
August 21, 1997) I studied a bit of astrophysics at UCLA. ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970821a.html - 16k

Proof that the Milky Way is a barred Spiral
"On the spiral arm interpretation of COMPTEL 26 Al map features" Astronomy
& Astrophysics Supplement Series vol. 120, 315. (1996). ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980714a.html - 18k

Imagine the Universe! Ten Year Anniversary
We originally debuted in spring 1996 as "The High-Energy Astrophysics
Learning Center", under the direction of Dr. Laura Whitlock. ...
http://imagine.gsfc.nasa.gov/docs/features/exhibit/tenyear/intro_may06_v2.html - 16k

Ask an Astrophysicist: The Solar System
is a service of the High Energy Astrophysics Science Archive Research Center
(HEASARC), Dr. Alan Smale (Director), within the Astrophysics ...
http://imagine.gsfc.nasa.gov/docs/ask_astro/solar_system.html - 22k

Imagine the Universe News - 22 April 2002
These findings were presented at the joint meeting of the American Physical
Society and the High Energy Astrophysics Division of the American ...
http://imagine.gsfc.nasa.gov/docs/features/news/22apr02.html - 20k

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