... appearance of the galaxy in the light of stars which are about 5 billion years old ... from gaseous regions that are ionized by stars with ages less than 10 million years ... this galaxy is well resolved into stars which indicates the galaxy to have a ...
... This filter system is optimally matched to the energy distribution of hot stars and should unambiguoulsy detect individual O and B stars in the bar region. ...
... Planetary Nebulae represent the late stages of stellar evolution in which the outer layers of the star have been shed and are now being ionized by the core of the star which is destined to be come a white dwarf . ...
... SPONSORS MEMBERS PINE MOUNTAIN OBSERVATORY'S ANNUAL STAR PARTY 8/10/2006 6:30 PM ... University of Oregon http://cas.uoregon.edu/ are bringing the stars to downtown Bend ...
... M8 is ionized by one of the hottest stars in the galaxy and the complex interplay between the ionizing radiation and the scattering by the dust gives rise to the observed structure of the nebula. ...
... It has a substantial bulge and rather anemic star formation in its disk. ... Note how well the spiral structure is defined in the UV (since only hot massive stars contribute). ...