Molecular Gas in the Large Magellanic Cloud
... At the Centre for Astrophysics and Supercomputing, I am especially grateful to Matthew Bailes, who convinced me to move to Melbourne and introduced me to astronomy research while I was still a first-year undergraduate. The Centre will be hard-pressed to find a Director who promotes and advocates for s ...
... At the Centre for Astrophysics and Supercomputing, I am especially grateful to Matthew Bailes, who convinced me to move to Melbourne and introduced me to astronomy research while I was still a first-year undergraduate. The Centre will be hard-pressed to find a Director who promotes and advocates for s ...
The Lupus clouds - European Southern Observatory
... evolution and perhaps the origin of the complex. The entire variety of objects related to the various stages of early stellar evolution are represented in Lupus, including some of the best studied T Tauri stars like RU Lup. The determination of many properties of the clouds, as well as their associa ...
... evolution and perhaps the origin of the complex. The entire variety of objects related to the various stages of early stellar evolution are represented in Lupus, including some of the best studied T Tauri stars like RU Lup. The determination of many properties of the clouds, as well as their associa ...
the comet`s tale - Institute of Astronomy
... of Astronomy in Cambridge, has recently stripped out its “common terminal area” to turn it into offices, on the grounds that these days everyone has their own laptop or desktop. An aim of the meeting was to give potential imagers the opportunity to work through techniques with mentors on hand, all u ...
... of Astronomy in Cambridge, has recently stripped out its “common terminal area” to turn it into offices, on the grounds that these days everyone has their own laptop or desktop. An aim of the meeting was to give potential imagers the opportunity to work through techniques with mentors on hand, all u ...
THE COMET`S TALE - Institute of Astronomy
... Uranus in the primordial Solar System nebula. Until now, the formation temperature had only been determined for water ice in comets, and this is the first time that it has been measured for another molecule. Dr. Jun-ichi ...
... Uranus in the primordial Solar System nebula. Until now, the formation temperature had only been determined for water ice in comets, and this is the first time that it has been measured for another molecule. Dr. Jun-ichi ...
La Sapienza – 2015
... emit radio waves extremely regularly as they rotate. Slight anomalies in the timing of its observed radio pulses can be used to track the pulsar's motion. Like an ordinary star, a pulsar will move in its own small orbit if it has a planet. La Sapienza – 2015 ...
... emit radio waves extremely regularly as they rotate. Slight anomalies in the timing of its observed radio pulses can be used to track the pulsar's motion. Like an ordinary star, a pulsar will move in its own small orbit if it has a planet. La Sapienza – 2015 ...
High-mass star-forming cloud G0.38+0.04 in the Galactic center dust
... Araya et al. 2008). van der Walt (2014) ruled out infrared pumping, but suggest that collisional pumping may be a viable mechanism. In the van der Walt (2014) framework, high amplifications >20 are not possible, so additional physical mechanisms must be in play for the brightest H2 CO masers. SiO ma ...
... Araya et al. 2008). van der Walt (2014) ruled out infrared pumping, but suggest that collisional pumping may be a viable mechanism. In the van der Walt (2014) framework, high amplifications >20 are not possible, so additional physical mechanisms must be in play for the brightest H2 CO masers. SiO ma ...
Tracing the Evolution and Impact of the Stellar Winds
... common problem that novices in the field tend to share with children in candy stores. Frankly put, I needed to pick a single lollipop, while all the flavors in the universe seemed rather compelling. Although I have not covered the entirety of the universe in this thesis, I have gotten as close to th ...
... common problem that novices in the field tend to share with children in candy stores. Frankly put, I needed to pick a single lollipop, while all the flavors in the universe seemed rather compelling. Although I have not covered the entirety of the universe in this thesis, I have gotten as close to th ...
Multiplicity in Early Stellar Evolution - Astronomy Group
... systems of two or more bodies is the norm at all stellar evolutionary stages. Multiple systems are widely agreed to result from the collapse and fragmentation of cloud cores, despite the inhibiting influence of magnetic fields. Surveys of class 0 protostars with millimeter interferometers have revea ...
... systems of two or more bodies is the norm at all stellar evolutionary stages. Multiple systems are widely agreed to result from the collapse and fragmentation of cloud cores, despite the inhibiting influence of magnetic fields. Surveys of class 0 protostars with millimeter interferometers have revea ...
Comet Kirch in Art and Astronomy
... which are used for measuring the altitude of the objects situated above the horizon. In the painting the scientists are measuring the length of the comet’s tail and are estimating its position in the sky. The spectators, women and children among them, are curious and obviously not afraid of this phe ...
... which are used for measuring the altitude of the objects situated above the horizon. In the painting the scientists are measuring the length of the comet’s tail and are estimating its position in the sky. The spectators, women and children among them, are curious and obviously not afraid of this phe ...
Untitled - METU Astrophysics Home Page
... The possibility of the existence of neutron stars first came to be with the discovery of the neutrons by Chadwick in 1930s. Afterwards, one of the first ideas regarding their formation was proposed in the work of Baade and Zwicky in 1934, whom foreseen the likelihood of neutron stars’ birth in super ...
... The possibility of the existence of neutron stars first came to be with the discovery of the neutrons by Chadwick in 1930s. Afterwards, one of the first ideas regarding their formation was proposed in the work of Baade and Zwicky in 1934, whom foreseen the likelihood of neutron stars’ birth in super ...
Tidal Effects on the Oort Cloud Comets and Dynamics of the Sun in
... The Solar System presents a complex dynamical structure and is not isolated from the Galaxy. In particular the comet reservoir of our planetary system, the Oort cloud, is extremely sensitive to the the galactic environment due to its peripheral collocation inside the Solar System. In this framework, ...
... The Solar System presents a complex dynamical structure and is not isolated from the Galaxy. In particular the comet reservoir of our planetary system, the Oort cloud, is extremely sensitive to the the galactic environment due to its peripheral collocation inside the Solar System. In this framework, ...
CLOUD STRUCTURE AND PHYSICAL CONDITIONS
... with the code ISMOD, which uses the simplex method to minimize the rms of the residuals down to about 104 in relative parameter steps. The fit was based on the CH cloud components in Paper I, preserving the velocity separations and relative fractions in column density among components as fixed inpu ...
... with the code ISMOD, which uses the simplex method to minimize the rms of the residuals down to about 104 in relative parameter steps. The fit was based on the CH cloud components in Paper I, preserving the velocity separations and relative fractions in column density among components as fixed inpu ...
Maximizing the ExoEarth Candidate Yield from a Future Direct
... NASA Goddard Space Flight Center, Exoplanets & Stellar Astrophysics Laboratory, Code 667, Greenbelt, MD 20771; [email protected] ...
... NASA Goddard Space Flight Center, Exoplanets & Stellar Astrophysics Laboratory, Code 667, Greenbelt, MD 20771; [email protected] ...
Physics of the Interstellar Medium
... structure of thermal dust emission in the mm and sub-mm regime. Molecular line observations, using e.g. different CO isotopes that are sensitive to different density regimes also provide detailed information about the large-scale gas and temperature distribution and in particular about its velocity ...
... structure of thermal dust emission in the mm and sub-mm regime. Molecular line observations, using e.g. different CO isotopes that are sensitive to different density regimes also provide detailed information about the large-scale gas and temperature distribution and in particular about its velocity ...
as PDF - Minnesota Academy of Science
... thirty miles in diameter,. and the tail was fifty-one millions of_ miles long, and covered an angular space of sixty degrees in the heavens. Why, that nebulous monster could have coiled himself •w~ thousand times around this earth, and still had enough of its tairleft to elevate its h~ a thousand mi ...
... thirty miles in diameter,. and the tail was fifty-one millions of_ miles long, and covered an angular space of sixty degrees in the heavens. Why, that nebulous monster could have coiled himself •w~ thousand times around this earth, and still had enough of its tairleft to elevate its h~ a thousand mi ...
Was the bright comet of 1742 discovered from India?
... began to lead the Sun from 7 January, 21:00 UT onwards and would have risen above the horizon before sunrise in the last days of January only. Until then, there are no observations reported from anywhere else. In fact, after its discovery from the Cape, there were hardly any observations in the mont ...
... began to lead the Sun from 7 January, 21:00 UT onwards and would have risen above the horizon before sunrise in the last days of January only. Until then, there are no observations reported from anywhere else. In fact, after its discovery from the Cape, there were hardly any observations in the mont ...
Turbulence-driven Polar Winds from T Tauri Stars Energized by
... The “cold wave-driven wind” limit • When the plasma becomes massive enough, radiative cooling (~ρ2) becomes more efficient throughout the wind: ...
... The “cold wave-driven wind” limit • When the plasma becomes massive enough, radiative cooling (~ρ2) becomes more efficient throughout the wind: ...
abū`l faẓl, independent discoverer of the great comet of 1577
... omens by rulers and emperors, and the recording of such events in political histories was a well-established tradition in the Middle Eastern empires. Although these works are not astronomical texts, and they contain little scientific content, because they are from different cultures and ages they al ...
... omens by rulers and emperors, and the recording of such events in political histories was a well-established tradition in the Middle Eastern empires. Although these works are not astronomical texts, and they contain little scientific content, because they are from different cultures and ages they al ...
1997 Apparition of Comet Hale-Bopp - HIGP
... between the terrestrial planets (rocky) close to the sun, and the Giant planets (volatile-rich) farther out. The condensing material will slowly start to clump together. Eventually, some clumps grow larger than others, becoming planetesimals, and these begin to sweep up all the other debris along th ...
... between the terrestrial planets (rocky) close to the sun, and the Giant planets (volatile-rich) farther out. The condensing material will slowly start to clump together. Eventually, some clumps grow larger than others, becoming planetesimals, and these begin to sweep up all the other debris along th ...
4373 - Zuber, M. T., H. Y. McSween Jr., R. P. Binzel, L. T. Elkins
... the sun (Cameron 1988), and if so then >99% of the disk would have been gaseous and consisted of (mainly) hydrogen along with helium and other volatiles such as carbon monoxide and water. On the basis of observations of young stars, gas in the disk probably dispersed within a few million years (Hain ...
... the sun (Cameron 1988), and if so then >99% of the disk would have been gaseous and consisted of (mainly) hydrogen along with helium and other volatiles such as carbon monoxide and water. On the basis of observations of young stars, gas in the disk probably dispersed within a few million years (Hain ...
Super-Earth and Sub-Neptune Exoplanets: a First Look from the
... interpreting atmospheric measurements also requires context, and is easiest for those systems about which we know most. Empirical constraints on planets’ bulk physical properties set the boundary conditions for theoretical modeling efforts, providing an opportunity to test hypotheses about planetary ...
... interpreting atmospheric measurements also requires context, and is easiest for those systems about which we know most. Empirical constraints on planets’ bulk physical properties set the boundary conditions for theoretical modeling efforts, providing an opportunity to test hypotheses about planetary ...
Planetary Nebula
... remarkable example of a star going through death throes just as it dramatically transforms itself from a normal red giant star into a planetary nebula. This process happens so quickly that such objects are quite rare, even though astronomers believe that most stars like the Sun will eventually go th ...
... remarkable example of a star going through death throes just as it dramatically transforms itself from a normal red giant star into a planetary nebula. This process happens so quickly that such objects are quite rare, even though astronomers believe that most stars like the Sun will eventually go th ...
The Solar System and Beyond
... The change in the public’s perception of the World has been matched by advances in our scientific understanding of the Universe, of the origin and evolution of the Solar System with the Sun, the planets, moons and comets, and last but not least of the Earth, including its environment and near-Earth ...
... The change in the public’s perception of the World has been matched by advances in our scientific understanding of the Universe, of the origin and evolution of the Solar System with the Sun, the planets, moons and comets, and last but not least of the Earth, including its environment and near-Earth ...
Analysis of Angular Momentum in Planetary Systems and Host Stars
... System’s orbital angular momentum, however, is of the same order of magnitude as the primary law, whereas the Sun’s spin angular momentum is consistent with the secondary relationship. This suggests that planets are an important clue to answering questions about stellar angular momentum loss and tra ...
... System’s orbital angular momentum, however, is of the same order of magnitude as the primary law, whereas the Sun’s spin angular momentum is consistent with the secondary relationship. This suggests that planets are an important clue to answering questions about stellar angular momentum loss and tra ...