Vocab AND Ontology?

[Ed Shaya]

Actually, it is a real challenge to find missing important terms. But,
here are some more terms that I dug up, mostly newer terms or broad, top 
level terms.

Some additional terms:

absorption line system
	Lyman alpha absorption system
supergalactic coordinate system
supergalactic longitude
supergalactic latitude
carbon star
Hicks group
equation of state
galaxy disk flare
coronal mass ejection
L dwarf
T dwarf

magnetar
	soft gamma ray repeater
cosmochronology
dark energy
red clump
red giant bump
blue loop
extreme horizontal branch star
PG1159 (subclass of extremely hot helium rich WD)
low mass x-ray binary
high mass x-ray binary
primary companion star
secondary companion star
tertiary companion star
tip of red giant branch distance
Cepheid distance
surface brightness fluctuation distance
Faber-Jackson distance
log
   log g (a particularly important log quantity)
overabundance
underabundance
enrichment

Geometric Quantities: (separate namespace?)
projections (ie mercator etc)
region
area
circle
  greate circle
boundary
conic section
spheroid
   sphere
   oblate spheroid
   prolate spheroid
parabola
hyperbola
square
radius
diameter


General Unit Dimensions: (separate namespace?)
height
width
length
area
volume
mass density

all of the elements, isotopes, ionization states, transitions(in a 
different namespace?)
all of the photmetric systems (ie, Johnson filters (UBVRI) and other 
systems ubvgri, etc) (in a different namespace?)

Ed