SECTION28.1 Formation of the Solar System
... • Within the rotating disk surrounding the young Sun, the temperature varied greatly with location. This resulted in different elements and compounds condensing, depending on their distance from the Sun, and affected the distribution of elements in the forming planets. ...
... • Within the rotating disk surrounding the young Sun, the temperature varied greatly with location. This resulted in different elements and compounds condensing, depending on their distance from the Sun, and affected the distribution of elements in the forming planets. ...
Summer 2014 Mercury - Astronomical Society of the Pacific
... even years ago in this column (“Who Discovered Jupiter’s Satellites?” Spring, 2007), I mentioned that Simon Marius (15731624) was a close rival to Galileo when it came to finding the four large satellites of Jupiter. As the court mathematician in Ansbach (part of Bavaria since 1806), Marius began ma ...
... even years ago in this column (“Who Discovered Jupiter’s Satellites?” Spring, 2007), I mentioned that Simon Marius (15731624) was a close rival to Galileo when it came to finding the four large satellites of Jupiter. As the court mathematician in Ansbach (part of Bavaria since 1806), Marius began ma ...
Terrestrial Planets
... • No strong selection bias in favour / against detecting planets with different eccentricities Of the first 100 stars found to harbor planets, more than 30 stars host a Jupiter-sized world in an orbit smaller than Mercury's, whizzing around its star in a matter of days. This implies: Planet formatio ...
... • No strong selection bias in favour / against detecting planets with different eccentricities Of the first 100 stars found to harbor planets, more than 30 stars host a Jupiter-sized world in an orbit smaller than Mercury's, whizzing around its star in a matter of days. This implies: Planet formatio ...
CLASSICAL KUIPER BELT OBJECTS (CKBOs)
... while most of the other KBOs are further from the sun. Solid blue points in this plot mark KBOs observed on 2 or more years. Their orbits are thought to be reasonably well determined. Unfilled circles mark KBOs observed only in one year. In some cases, these objects were recently discovered and we e ...
... while most of the other KBOs are further from the sun. Solid blue points in this plot mark KBOs observed on 2 or more years. Their orbits are thought to be reasonably well determined. Unfilled circles mark KBOs observed only in one year. In some cases, these objects were recently discovered and we e ...
Asteroids in retrograde resonance with Jupiter
... the 2/−3 resonance with Saturn for 2009 QY6 (asymmetric libration). The present resonant configurations last for several thousand years. Moreover, retrograde resonant capture with Saturn is possible within the 20 000 yr integration timespan for 2006 BZ8 (1/−1) and 1999 LE31 (9/−7). The identified re ...
... the 2/−3 resonance with Saturn for 2009 QY6 (asymmetric libration). The present resonant configurations last for several thousand years. Moreover, retrograde resonant capture with Saturn is possible within the 20 000 yr integration timespan for 2006 BZ8 (1/−1) and 1999 LE31 (9/−7). The identified re ...
General Astrophysics And Comparative Planetology
... terrestrial planet to have eccentricity variations that take it far from the habitable zone every 10,000–100,000 years. Characterizing the terrestrial planets discovered by TPF will require taking an inventory of the other planets they orbit with. Moreover, TPF can deliver a catalog of measurements ...
... terrestrial planet to have eccentricity variations that take it far from the habitable zone every 10,000–100,000 years. Characterizing the terrestrial planets discovered by TPF will require taking an inventory of the other planets they orbit with. Moreover, TPF can deliver a catalog of measurements ...
latest Edition - ExoPlanet News
... samples of planet and non-planet hosts. Whether these chemical differences are indeed related to the presence of planets is still strongly debated. Aims. We aim to test whether solar-type stars with debris discs show any chemical peculiarity that could be related to the planet formation process. Met ...
... samples of planet and non-planet hosts. Whether these chemical differences are indeed related to the presence of planets is still strongly debated. Aims. We aim to test whether solar-type stars with debris discs show any chemical peculiarity that could be related to the planet formation process. Met ...
an Educator`s GuidE
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
The Star Finder Book - Starpath School of Navigation
... arious devices have been invented to help navigators identify stars and planets and solve other related problems in celestial navigation. The most popular of these was once an official government product called H.O. 2102-D. These are no longer produced by the government, but identical ones are now a ...
... arious devices have been invented to help navigators identify stars and planets and solve other related problems in celestial navigation. The most popular of these was once an official government product called H.O. 2102-D. These are no longer produced by the government, but identical ones are now a ...
Imaging Uranus
... and a greenish hue. Initially Herschel named the object (which he initially believed to be a comet) after his patron King George III. In some texts of the period the planet is referred to as Georgius Sidum or George’s Star. Once its orbit was calculated it was soon realised that the suspected comet ...
... and a greenish hue. Initially Herschel named the object (which he initially believed to be a comet) after his patron King George III. In some texts of the period the planet is referred to as Georgius Sidum or George’s Star. Once its orbit was calculated it was soon realised that the suspected comet ...
DIPLOMA THESIS Spectroscopic study of the star 70 Virginis and its
... the discovery of new objects (Ceres, Vesta etc.), a new category (in addition to ‘planets’) of asteroids was established later. Further, terminology started to distinguish between terrestrial and Jovian types of planets. And finally, based upon the increasing number of relatively huge trans-Neptunia ...
... the discovery of new objects (Ceres, Vesta etc.), a new category (in addition to ‘planets’) of asteroids was established later. Further, terminology started to distinguish between terrestrial and Jovian types of planets. And finally, based upon the increasing number of relatively huge trans-Neptunia ...
What is a planet? - X-ray and Observational Astronomy Group
... • The star doing the lensing brightens as a result • We record this brightening, which can last for days • If the lensed star has a planetary companion, the characteristic lensing light curve is modified • Signals from an Earth-like planet would be strong (>5%) but brief (few hours) • 4 planets foun ...
... • The star doing the lensing brightens as a result • We record this brightening, which can last for days • If the lensed star has a planetary companion, the characteristic lensing light curve is modified • Signals from an Earth-like planet would be strong (>5%) but brief (few hours) • 4 planets foun ...
The Search for Extrasolar Earth-like Planets
... Searching for Earth-like Planets by their Gravitational Influence on the Parent Stars Searches for Earth-mass planets around nonsolar-type stars are underway [13] for short-period Earth-mass planets around the most common type of star: low-mass stars with masses of 0.06 to 0.5 times the mass of the ...
... Searching for Earth-like Planets by their Gravitational Influence on the Parent Stars Searches for Earth-mass planets around nonsolar-type stars are underway [13] for short-period Earth-mass planets around the most common type of star: low-mass stars with masses of 0.06 to 0.5 times the mass of the ...
an Educator`s GuidE - Museum of Science, Boston
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
an Educator`s GuidE
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
Star Map - Science Centre
... The Big Dipper is one of the most famous asterisms (star patterns) throughout history. In some places of the Northern Hemisphere, its seven brightest stars can be seen all year round. Further South near the equator, it is only visible for a few months. Merak and Dubhe are known as The Pointers, poin ...
... The Big Dipper is one of the most famous asterisms (star patterns) throughout history. In some places of the Northern Hemisphere, its seven brightest stars can be seen all year round. Further South near the equator, it is only visible for a few months. Merak and Dubhe are known as The Pointers, poin ...
No. 54 - Institute for Astronomy
... Arizona. All three planets orbit their star at a distance closer than Mercury orbits the Sun, completing their orbits in just 5, 15, and 24 days. The team discovered the new planets by detecting the wobble of the star HD 7924 as the planets orbited and pulled on the star gravitationally. APF and Kec ...
... Arizona. All three planets orbit their star at a distance closer than Mercury orbits the Sun, completing their orbits in just 5, 15, and 24 days. The team discovered the new planets by detecting the wobble of the star HD 7924 as the planets orbited and pulled on the star gravitationally. APF and Kec ...
Undiscovered Worlds educators guide
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
... Show Synopsis (continued) These exoplanets are very far away, so how do we actually “see” them? Exoplanets are nearly impossible to photograph in the traditional sense, so we have to find them by observing the effects they have on their parent stars. These effects, driven by gravity and line-of-sig ...
Age aspects of habitability - Cambridge University Press
... not anticipated, which, even if it changes the environment globally, would not be detectable simply because we are not looking for those particular changes. For example, aphotic life can exist in the subsurface oceans of Europa or Enceladus, but such life would be currently impossible for us to dete ...
... not anticipated, which, even if it changes the environment globally, would not be detectable simply because we are not looking for those particular changes. For example, aphotic life can exist in the subsurface oceans of Europa or Enceladus, but such life would be currently impossible for us to dete ...
Lecture 7: Extrasolar Planets 01/08/2013 update: 725 exoplanets
... • No strong selection bias in favour/against detecting planets with different eccentricities Of the first 100 stars found to harbor planets, more than 30 stars host a Jupiter-sized world in an orbit smaller than Mercury's, whizzing around its star in a matter of days. This implies: Planet formation ...
... • No strong selection bias in favour/against detecting planets with different eccentricities Of the first 100 stars found to harbor planets, more than 30 stars host a Jupiter-sized world in an orbit smaller than Mercury's, whizzing around its star in a matter of days. This implies: Planet formation ...
The Detection and Characterization of Extrasolar Planets
... Given that planets are typically close to a star that is much more luminous than the planet, direct detection of exoplanets is extremely difficult. This means that most confirmed exoplanets have been detected indirectly. There are a number of different indirect methods. One, known as the ‘Doppler wo ...
... Given that planets are typically close to a star that is much more luminous than the planet, direct detection of exoplanets is extremely difficult. This means that most confirmed exoplanets have been detected indirectly. There are a number of different indirect methods. One, known as the ‘Doppler wo ...
Moon Search Algorithms for NASA`s Dawn
... body to be considered a planet it has to orbit the Sun, have enough gravity to form a spherical shape and enough mass to clear its neighborhood of debris [17]. In other words, it should be the dominant gravitational body in its orbit. Any object, like Pluto, that meets the first two requirements but ...
... body to be considered a planet it has to orbit the Sun, have enough gravity to form a spherical shape and enough mass to clear its neighborhood of debris [17]. In other words, it should be the dominant gravitational body in its orbit. Any object, like Pluto, that meets the first two requirements but ...
No Slide Title
... billion years) in the Universe are slim – With less heavy elements available terrestrial planets may be smaller and lower in mass than in our solar system – Is there a threshold metallicity for life to start (e.g. ½ solar)? ...
... billion years) in the Universe are slim – With less heavy elements available terrestrial planets may be smaller and lower in mass than in our solar system – Is there a threshold metallicity for life to start (e.g. ½ solar)? ...
B LOG - Science Centre
... 1) Castor – a multiple star, made up of 6 tightly grouped stars. Most telescope can see two white stars and a smaller red dwarf star. 2) M35 –a large open cluster of over 200 stars arranged in curved chains, 2800 lightyears away. Best viewed in binoculars or telescopes using low magnification. ...
... 1) Castor – a multiple star, made up of 6 tightly grouped stars. Most telescope can see two white stars and a smaller red dwarf star. 2) M35 –a large open cluster of over 200 stars arranged in curved chains, 2800 lightyears away. Best viewed in binoculars or telescopes using low magnification. ...
Finding habitable earths around white dwarfs with a robotic
... towards detecting planets in or near the WDHZ. If they are distributed at a range of orbital separations, a, down to a > ain ≈ 2aR , then the closest planets have the highest probability of transit, pt ∝ a−1 , so the planets in the WDHZ will be the most probable planets to detect. Of course the tran ...
... towards detecting planets in or near the WDHZ. If they are distributed at a range of orbital separations, a, down to a > ain ≈ 2aR , then the closest planets have the highest probability of transit, pt ∝ a−1 , so the planets in the WDHZ will be the most probable planets to detect. Of course the tran ...