solar system


stellar physics


exoplanets


galaxies & cosmology


particle physics


cultural literacy


late-April 2013





comet ISON
will it be the comet of the century
in late November,
when it becomes
brighter than the full moon?



frozen spectacles
why we seem to be living in
an usual time


SN 1006
~1000 years after
it was seen around the world



"Way-Too-Bright" Supernova
Confounds Astronomers



Supernova Dust Found in
Antarctic Meteorites


Supernova evidence in ancient fossil bacteria?



a horse(head) of a different color



pop quiz:
test your knowledge of exoplanets



2 promising places to live,
1200 c-years from Earth
(NY Times)


Kepler finds 2 planets in
life-friendly orbits

(Washington Post)

 
Kepler's tally of exoplanets


The Cosmic Menagerie
what did the first aliens
look like?


Front Row at the Dawn of Time
a baby picture of the universe


new insights on how spiral
galaxies get & keep their arms




education

college for free
but have to be willing to milk cows,
build ships , or salute

college prestige vs. sanity
(how/why parents/students make
stupid decisions
about where to go to college)

Revisiting the "Value" of Elite Colleges,
and why -- for most students -- it's zero

just in:
this year's college acceptance rates


The Impossible Decision
for and against grad school

prioritizing science education:
a special Science magazine issue


current events


Two terrorists ... Send America Over the Edge
why terrorism won, this time

two bombings, two very different results:
"hysterical ... overreaction" in Boston
vs. "life ... goes on" in London


How to Put America Back Together


Why Gun Control Failed
(with charts & graphs)


Excel-gate:
The Excel Depression
Austerity Remedy = Flimflam
will discovery of spreadsheet mistake
stop Republicans' call for austerity?
don't bet on it


why Congress is so disrespected:
they constantly lie;
1 example, 3 versions:

The Spineless Gun Vote

betrayal on gun control

A Senate in the Gun Lobby's Grip


why intelligent people don't live in Texas



early-April 2013




Europa's equatorial ice spikes
may prevent satellite landing


still another explanation for
the moon illusion


first
mini-supernovas discovered


first detection of x-ray emission from
solar-type stars in the SMC


denser-than-iron exoplanets?
who ordered that?


smallest exoplanet yet...
Mercury-sized

Kepler's supernova remnant gives clues to

distance scale of universe


Hubble finds most distant type Ia supernova ever
(z = 1.914)


a redshift-lookup table: given redshift, read its
age, distance, etc


how the Higgs Boson might
spell
doom for the universe


another neutrino likely ruled out
by Planck


ISS magnetic spectrometer detects
dark matter signal?



mid-March 2013



comet PanSTARRS
first naked-eye comet in a while....
apparently on its first and last visit
to the inner solar system


water on Mars could have supported
life long ago


the aurora borealis in real time


update on the Russian mega-meteor


3rd closest star system to the sun discovered
(have you checked your dorm room lately?)


interstellar cloud about to be devoured by
Milky Way's super-massive black hole



oldest known star in the Milky Way?

denser-than-iron exoplanets?
who ordered that?


smallest exoplanet yet...
Mercury-sized

Planck satellite results

on March 21, the embargo will be lifted on the first results from the
cosmic-background-exploring satellite Planck.....

first announced:
universe is 0.08 billion years older
than previously thought:
now it's up to 13.81 billion years;
also, Hubble constant goes slightly down;
dark matter slightly up;
dark energy slightly down;
  new evidence for inflation;
more inhomogeneities than expected


NY Times front page story
NY Times pictures
Washington Post front page story
LA Times front page story
Scientific American story
Planck science results page


evidence for still another shredded galaxy just found
inside the Milky Way


gravitational lens creates cartoon of space invader
your tax dollars at work

book review: A Universe from Nothing
is about a theory of everything


Fermi provides evidence of supernova origin
of cosmic rays




romancing the Higgs boson

(a very long NY Times article)


course pages for astrophysics and galaxies/cosmology 2012 -2013

february pages
january pages
december pages
november pages
october pages
  september pages
  august pages