September - Rose City Astronomers
... The 600 power telescope, due to its popularity, was remarketed by a number of different companies with their own model numbers. Meade ran continual ads for the small refractor during the 1970s, and labeled it their Model #300 (or #305 for 1 ¼" accessories—they changed the color of the dewcap to whit ...
... The 600 power telescope, due to its popularity, was remarketed by a number of different companies with their own model numbers. Meade ran continual ads for the small refractor during the 1970s, and labeled it their Model #300 (or #305 for 1 ¼" accessories—they changed the color of the dewcap to whit ...
Star Formation in Our Galaxy - Wiley-VCH
... Molecular Cloud (see Fig. 1.1), but only because it is closer. At a distance of 140 pc, the entire region measures about 30 pc in linear extent. As before, we have labeled some of the main dark clouds, which show up as local peaks in the CO emission; Barnard’s optical image is centered on L1521 and ...
... Molecular Cloud (see Fig. 1.1), but only because it is closer. At a distance of 140 pc, the entire region measures about 30 pc in linear extent. As before, we have labeled some of the main dark clouds, which show up as local peaks in the CO emission; Barnard’s optical image is centered on L1521 and ...
The physico-chemical history of Falling Evaporating Bodies around
... consider, for comparison purposes, a porous icy sphere, and then consider a mixture of ice and dust in the form of SiO2 . When their periastron reaches star-grazing values, the FEBs evaporate volatiles and refractory material. These refractory species are actually the ones we observe as spectral var ...
... consider, for comparison purposes, a porous icy sphere, and then consider a mixture of ice and dust in the form of SiO2 . When their periastron reaches star-grazing values, the FEBs evaporate volatiles and refractory material. These refractory species are actually the ones we observe as spectral var ...
the next decade - Lowell Observatory
... reconstructions, and the effect of solar variations on terrestrial climate have diversified the literature even further. The connections between the various threads are complex enough that reviewing the field by any one criterion – chronology, method of observation, class of object – does not necess ...
... reconstructions, and the effect of solar variations on terrestrial climate have diversified the literature even further. The connections between the various threads are complex enough that reviewing the field by any one criterion – chronology, method of observation, class of object – does not necess ...
Calculate the Mass of the Milky Way Galaxy
... "cosmic scatter" and is probably due to the fact that the gas clouds that formed the galaxies all had some small additional motion of their own. The recessional velocity of a galaxy at a particular distance inferred from Hubble's law is called the "Hubble velocity". ...
... "cosmic scatter" and is probably due to the fact that the gas clouds that formed the galaxies all had some small additional motion of their own. The recessional velocity of a galaxy at a particular distance inferred from Hubble's law is called the "Hubble velocity". ...
SEASONAL DATING OF SAPPHO`S `MIDNIGHT POEM` REVISITED
... her contributions includes the so-called ‗Midnight Poem‘, which contains a line about the Pleiades, setting sometime before midnight, and supposedly observed from the island of Lesbos. This poem also refers to the setting of the Moon. Sappho‘s Midnight Poem thus represents a prime example of where a ...
... her contributions includes the so-called ‗Midnight Poem‘, which contains a line about the Pleiades, setting sometime before midnight, and supposedly observed from the island of Lesbos. This poem also refers to the setting of the Moon. Sappho‘s Midnight Poem thus represents a prime example of where a ...
Department of Physics and Astronomy
... Intended as the second semester of calculus-based college physics for students majoring in science or mathematics. Topics include static electric fields and Coulomb's law, Gauss's law, electric potential, capacitors, Ohm's law, the magnetic field and Ampere's law, induction and Faraday's law, and el ...
... Intended as the second semester of calculus-based college physics for students majoring in science or mathematics. Topics include static electric fields and Coulomb's law, Gauss's law, electric potential, capacitors, Ohm's law, the magnetic field and Ampere's law, induction and Faraday's law, and el ...
Beers_First_Stars_NIC_School
... elements (including the lowest [Fe/H] star yet discovered), and lack of over-abundances of neutron-capture elements (CEMP-no stars) Associated with production by “faint SNe” – progenitors with mass on the order of 10-100 Mo undergoing mixing and fallback, or rapidly rotating mega metal-poor (MMP; [F ...
... elements (including the lowest [Fe/H] star yet discovered), and lack of over-abundances of neutron-capture elements (CEMP-no stars) Associated with production by “faint SNe” – progenitors with mass on the order of 10-100 Mo undergoing mixing and fallback, or rapidly rotating mega metal-poor (MMP; [F ...
Cosmic Evolution - Planetarium Mannheim
... black hole…so dense that not even the light can escape from its gravitational attraction ...
... black hole…so dense that not even the light can escape from its gravitational attraction ...
MPA Anniversary Brochure - Max Planck Institute for Astrophysics
... microwave background and of previously unknown objects like quasars and pulsars stimulated new interest in cosmology and relativ istic astrophysics. In 1971 Jürgen Ehlers was appointed Scientific Member at the MPA in order to lead research in relativistic astrophysics aimed at fundamental questions ...
... microwave background and of previously unknown objects like quasars and pulsars stimulated new interest in cosmology and relativ istic astrophysics. In 1971 Jürgen Ehlers was appointed Scientific Member at the MPA in order to lead research in relativistic astrophysics aimed at fundamental questions ...
Twitter Feed ITSO Symposium 2017
... galactic inflow/outflow, in understanding the factors affecting galaxy evolution. Disentangling the effect of internal (stellar mass) and external (environment) processes on the galaxy evolution is difficult because high mass galaxies tend to exist in dense environments. For the past decade, the dif ...
... galactic inflow/outflow, in understanding the factors affecting galaxy evolution. Disentangling the effect of internal (stellar mass) and external (environment) processes on the galaxy evolution is difficult because high mass galaxies tend to exist in dense environments. For the past decade, the dif ...
W. M. White Geochemistry Chapter 10: Cosmochemistry
... primitive meteorites are by far our most important source of information of elemental abundances. Some additional information can be obtained from spectral observations of stars. The abundances of the elements in the Solar System are shown in Figure 10.2. Any successful theory of nuclear synthesis m ...
... primitive meteorites are by far our most important source of information of elemental abundances. Some additional information can be obtained from spectral observations of stars. The abundances of the elements in the Solar System are shown in Figure 10.2. Any successful theory of nuclear synthesis m ...
Chapter 2 CELESTIAL COORDINATE SYSTEMS
... observer’s zenith, which is labeled ZA in the figure. A similar line is drawn for an observer standing at point B, with latitude beta (), pointing to their zenith which is labeled ZB and for an observer at C, with latitude gamma (), whose zenith is labeled ZC. It should be clear that the zenith is ...
... observer’s zenith, which is labeled ZA in the figure. A similar line is drawn for an observer standing at point B, with latitude beta (), pointing to their zenith which is labeled ZB and for an observer at C, with latitude gamma (), whose zenith is labeled ZC. It should be clear that the zenith is ...
sections 7-8 instructor notes
... The effective wavelengths of the filters are determined both by the shape of the incident stellar continuum and the amount of interstellar and atmospheric reddening, which are difficult to model. The redward shift in λeff caused by atmospheric extinction or large reddening is less of a problem for ...
... The effective wavelengths of the filters are determined both by the shape of the incident stellar continuum and the amount of interstellar and atmospheric reddening, which are difficult to model. The redward shift in λeff caused by atmospheric extinction or large reddening is less of a problem for ...
Riccioli Measures the Stars: Observations of the
... Sirius, complete with diffraction rings (figure 1). If Riccioli is then adjusting his telescope to remove those rings – by restricting its aperture to the point where the rings are no longer detectable – then he is using a procedure that will tend to produce relatively uniform appearance in stars fr ...
... Sirius, complete with diffraction rings (figure 1). If Riccioli is then adjusting his telescope to remove those rings – by restricting its aperture to the point where the rings are no longer detectable – then he is using a procedure that will tend to produce relatively uniform appearance in stars fr ...