Planet Formation: Disk Formation and Evolution
... In terms of the composition and bulk chemistry, we find the smaller rocky planets (Mercury, Venus, Earth, Mars) in the inner part of the Solar System, while the larger gas/ice giants (Jupiter, Saturn, Uranus, Neptune) reside farther out. The density of the planets decreases with heliocentric distanc ...
... In terms of the composition and bulk chemistry, we find the smaller rocky planets (Mercury, Venus, Earth, Mars) in the inner part of the Solar System, while the larger gas/ice giants (Jupiter, Saturn, Uranus, Neptune) reside farther out. The density of the planets decreases with heliocentric distanc ...
The Chemical Composition of Carbon-Rich, Very Metal
... giant-branch evolution that “recycled” them to the base of the subgiant branch, due to increased hydrogen mixing into their cores, a scenario originally suggested by Bond (1974) to explain the subgiant CH stars he discovered. It should also be noted that the subgiants studied by Preston & Sneden (20 ...
... giant-branch evolution that “recycled” them to the base of the subgiant branch, due to increased hydrogen mixing into their cores, a scenario originally suggested by Bond (1974) to explain the subgiant CH stars he discovered. It should also be noted that the subgiants studied by Preston & Sneden (20 ...
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 ...
Chapter 3 How Earth and Sky Work
... Today we know that the Earth is a sphere and we are tiny by comparison. The distance to every other celestial body is MUCH larger than the diameter of the Earth. Because we are so much smaller than the Earth, the Earth appears to take up half of all the directions we can look when we are on the Eart ...
... Today we know that the Earth is a sphere and we are tiny by comparison. The distance to every other celestial body is MUCH larger than the diameter of the Earth. Because we are so much smaller than the Earth, the Earth appears to take up half of all the directions we can look when we are on the Eart ...
IBEX
... light, the influence of the Sun’s gravity extends without limit, although it is weaker farther away from the Sun. There is not a boundary at which it stops. Image Credit: NASA National Aeronautics and Space Administration ...
... light, the influence of the Sun’s gravity extends without limit, although it is weaker farther away from the Sun. There is not a boundary at which it stops. Image Credit: NASA National Aeronautics and Space Administration ...
PDF only - at www.arxiv.org.
... higher sensitivity. Together with a larger collecting area compared to Herschel observations of dedicated solar longitudes over a full martian year would provide for the first time vertical H2O2 profiles and in a unique way constrain photochemical models. Other important species are ...
... higher sensitivity. Together with a larger collecting area compared to Herschel observations of dedicated solar longitudes over a full martian year would provide for the first time vertical H2O2 profiles and in a unique way constrain photochemical models. Other important species are ...
Hazen et al 2015 - University of Arizona
... & Eldredge 2010). Many aspects of planetary mineralogy, including the prevalence of the most abundant rock-forming phases, are deterministic aspects of mineral evolution. Thus, the diversity and distribution of minerals in Earth’s near-surface environments in the past, as well as on terrestrial plan ...
... & Eldredge 2010). Many aspects of planetary mineralogy, including the prevalence of the most abundant rock-forming phases, are deterministic aspects of mineral evolution. Thus, the diversity and distribution of minerals in Earth’s near-surface environments in the past, as well as on terrestrial plan ...
mineral ecology: chance and necessity in the
... & Eldredge 2010). Many aspects of planetary mineralogy, including the prevalence of the most abundant rock-forming phases, are deterministic aspects of mineral evolution. Thus, the diversity and distribution of minerals in Earth’s near-surface environments in the past, as well as on terrestrial plan ...
... & Eldredge 2010). Many aspects of planetary mineralogy, including the prevalence of the most abundant rock-forming phases, are deterministic aspects of mineral evolution. Thus, the diversity and distribution of minerals in Earth’s near-surface environments in the past, as well as on terrestrial plan ...
Precision gravitation measurements on Earth and in space: Tests of
... hypothesis of complete physical equivalence between a gravitational field and an accelerated reference frame: in a freely falling system all masses fall equally fast, hence gravitational acceleration has no local dynamical effects. Any test mass located inside the famous Einstein elevator falling w ...
... hypothesis of complete physical equivalence between a gravitational field and an accelerated reference frame: in a freely falling system all masses fall equally fast, hence gravitational acceleration has no local dynamical effects. Any test mass located inside the famous Einstein elevator falling w ...
Is $^ 6$ Li in metal-poor halo stars produced in situ by solar
... studies, because the reaction 4 He(3 He, p)6 Li was not taken into account. Second, it is very likely that most halo stars were much more active in their youth than the contemporary Sun. Indeed stellar rotation being the decisive factor of solar-like activity of dwarf stars, magnetic braking during ...
... studies, because the reaction 4 He(3 He, p)6 Li was not taken into account. Second, it is very likely that most halo stars were much more active in their youth than the contemporary Sun. Indeed stellar rotation being the decisive factor of solar-like activity of dwarf stars, magnetic braking during ...
ABSTRACT Exoplanet Habitability and an Analysis of Gliese 436 b
... Just what exactly are exoplanets though? Simply stated, they are planets that orbit other stars besides the sun.3 This simple definition is explained by the fact that the field of exoplanetology is quite young. Only twenty years have passed since the first journal article was written about 51 Pegasi ...
... Just what exactly are exoplanets though? Simply stated, they are planets that orbit other stars besides the sun.3 This simple definition is explained by the fact that the field of exoplanetology is quite young. Only twenty years have passed since the first journal article was written about 51 Pegasi ...
design for the TMT mid-infrared adaptive optics system
... signal-to-noise ratio on point sources for a telescope at the diffraction limit decreases with the fourth power of the telescope diameter. At these wavelengths, the 30-meter TMT telescope can provide an increase in speed of 2 to 4 orders of magnitude over current ground-based capabilities permitting ...
... signal-to-noise ratio on point sources for a telescope at the diffraction limit decreases with the fourth power of the telescope diameter. At these wavelengths, the 30-meter TMT telescope can provide an increase in speed of 2 to 4 orders of magnitude over current ground-based capabilities permitting ...
Lightning climatology of exoplanets and brown dwarfs guided by
... Clouds form on extrasolar planets and brown dwarfs where lightning could occur. Lightning is a tracer of atmospheric convection, cloud formation and ionization processes as known from the Solar system, and may be significant for the formation of prebiotic molecules. We study lightning climatology fo ...
... Clouds form on extrasolar planets and brown dwarfs where lightning could occur. Lightning is a tracer of atmospheric convection, cloud formation and ionization processes as known from the Solar system, and may be significant for the formation of prebiotic molecules. We study lightning climatology fo ...
Formation of Globular Clusters: In and Out of Dwarf Galaxies
... Can a single formation mechanism produce bimodality? Yes Model: GC formation is triggered by gas-rich mergers begin with cosmological simulations of halo formation supplement halos with cold gas mass based on observations ...
... Can a single formation mechanism produce bimodality? Yes Model: GC formation is triggered by gas-rich mergers begin with cosmological simulations of halo formation supplement halos with cold gas mass based on observations ...
SPICA Yellow Book
... A complete understanding of the formation and evolution of galaxies, stars and planets can only be reached through the investigation of the cold and obscured parts of the Universe, where the basic processes of formation and evolution occur. Deep exploration of the cold Universe using high spatial re ...
... A complete understanding of the formation and evolution of galaxies, stars and planets can only be reached through the investigation of the cold and obscured parts of the Universe, where the basic processes of formation and evolution occur. Deep exploration of the cold Universe using high spatial re ...
Asteroseismology and stellar rotation - IAG-Usp
... Much better if we also have: * surface Prot or a relation between Prot and stellar parameters * Seismic model : (is wanted by itself and wanted for rotation determination) better use slow rotators if possible otherwise must remove pollution by rotation AND COROT data! Must use all what we have : sei ...
... Much better if we also have: * surface Prot or a relation between Prot and stellar parameters * Seismic model : (is wanted by itself and wanted for rotation determination) better use slow rotators if possible otherwise must remove pollution by rotation AND COROT data! Must use all what we have : sei ...
Super-solar Metal Abundances in Two Galaxies at ζ ∼ 3.57
... We report on the surprisingly high metallicity measured in two absorption systems at high redshift, detected in the Very Large Telescope spectrum of the afterglow of the gamma-ray burst GRB 090323. The two systems, at redshift z = 3.5673 and z = 3.5774 (separation ∆v ≈ 660 km s−1 ), are dominated by ...
... We report on the surprisingly high metallicity measured in two absorption systems at high redshift, detected in the Very Large Telescope spectrum of the afterglow of the gamma-ray burst GRB 090323. The two systems, at redshift z = 3.5673 and z = 3.5774 (separation ∆v ≈ 660 km s−1 ), are dominated by ...
Using color photometry to separate transiting exoplanets from false
... In Figure 1, the height of these horns appears to increase with projected inclination. This is however a result of the fact that these transits are modeled to have a fixed depth in I. Maintaining this requires an increase in exoplanet radius, as transits away from central are not as strong, which in ...
... In Figure 1, the height of these horns appears to increase with projected inclination. This is however a result of the fact that these transits are modeled to have a fixed depth in I. Maintaining this requires an increase in exoplanet radius, as transits away from central are not as strong, which in ...
PDF file of document - University of Iowa Astrophysics
... be determined by how well you answer these questions. If you are confused about questions as you progress, ask your lab instructor for assistance. Questions near the end of the project often build on earlier ones, so it is better that you ask now than to be confused later. Each project is designed t ...
... be determined by how well you answer these questions. If you are confused about questions as you progress, ask your lab instructor for assistance. Questions near the end of the project often build on earlier ones, so it is better that you ask now than to be confused later. Each project is designed t ...