The Solar System Interplanetary Matter and the Birth of the Planets
... Any theory about the formation of planetary system must explain the formation of planets, not as a single, unique and rare event but more like a common event in a ...
... Any theory about the formation of planetary system must explain the formation of planets, not as a single, unique and rare event but more like a common event in a ...
The correct answers are written in bold, italic and underlined. The
... • between a few hundred and a few thousand solar masses. • about 106 solar masses. • approximately 1 billion solar masses. Molecular cloud masses seem to be in this range, with no wide variation in mass. 6. The apparent reddening of light from stars after its passage through the interstellar medium ...
... • between a few hundred and a few thousand solar masses. • about 106 solar masses. • approximately 1 billion solar masses. Molecular cloud masses seem to be in this range, with no wide variation in mass. 6. The apparent reddening of light from stars after its passage through the interstellar medium ...
DTU 8e Chap 5 Formation of the Solar System
... (a) A planet and its star both orbit around their common center of mass, always staying on opposite sides of that point. The star’s motion around the center of mass provides astronomers with the information that a planet is present. (b) As a planet moves toward or away from us, its star moves in the ...
... (a) A planet and its star both orbit around their common center of mass, always staying on opposite sides of that point. The star’s motion around the center of mass provides astronomers with the information that a planet is present. (b) As a planet moves toward or away from us, its star moves in the ...
Class 1 and 2 lecture slides (Solar System Formation)
... • The outer, cooler particles suffer repeated collisions, building planet-sized bodies from dust grains (accretion) • Young stellar activity (T-Tauri phase) blows off any remaining gas and leaves an embryonic solar system • These argument suggest that the planets and the Sun should all have (more or ...
... • The outer, cooler particles suffer repeated collisions, building planet-sized bodies from dust grains (accretion) • Young stellar activity (T-Tauri phase) blows off any remaining gas and leaves an embryonic solar system • These argument suggest that the planets and the Sun should all have (more or ...
Origin of Our Solar System
... All planets revolve around the Sun in a counterclockwise direction within a 7° band of the equatorial region of the Sun, and nearly all of them also turn on their individual axes in a counterclockwise direction as well. ...
... All planets revolve around the Sun in a counterclockwise direction within a 7° band of the equatorial region of the Sun, and nearly all of them also turn on their individual axes in a counterclockwise direction as well. ...
Lecture 1: Observations of planetary systems
... Much more detailed discussion of the Solar System is possible, but our focus here is on the astrophysical nature of planet formation. However, even from this simple discussion we can see that planet formation is a very challenging problem. In order to form the Solar System planets, solid bodies must ...
... Much more detailed discussion of the Solar System is possible, but our focus here is on the astrophysical nature of planet formation. However, even from this simple discussion we can see that planet formation is a very challenging problem. In order to form the Solar System planets, solid bodies must ...
36040345-1 - Space Medicine Association
... are continually being scattered throughout space. Lifeforms on other inhabited planets, he reasoned, must therefore be similar to those on earth. The hypothesis was vigorously attacked from many sides. Although some of the arguments are easily refuted the importance of the controversy lies in its th ...
... are continually being scattered throughout space. Lifeforms on other inhabited planets, he reasoned, must therefore be similar to those on earth. The hypothesis was vigorously attacked from many sides. Although some of the arguments are easily refuted the importance of the controversy lies in its th ...
Search for Life in the Universe – What can we Learn from our own
... Gribaldo and Forterre in Gargaud et al. 2005). The ocean floor at a submarine alkaline hot spring has been suggested to provide all prerequisites for the emergence of life on the early Earth about 4 billion years ago. Deep-sea hydrothermal systems are producing sites of hydrocarbons, even today. As ...
... Gribaldo and Forterre in Gargaud et al. 2005). The ocean floor at a submarine alkaline hot spring has been suggested to provide all prerequisites for the emergence of life on the early Earth about 4 billion years ago. Deep-sea hydrothermal systems are producing sites of hydrocarbons, even today. As ...
Giant planets in debris disks around nearby stars
... we have gained a wealth of information to understand the formation and structure of planetary systems, including our own. With more than 1500 confirmed exoplanet discoveries by now, we have not only learned that the diversity of planetary systems is much larger than what one could guess when extrapo ...
... we have gained a wealth of information to understand the formation and structure of planetary systems, including our own. With more than 1500 confirmed exoplanet discoveries by now, we have not only learned that the diversity of planetary systems is much larger than what one could guess when extrapo ...
Meteors, Asteroids, and Comets (Powerpoint)
... in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. This spectacular composite image shows how the coma and tail of Comet Holmes have changed. Due to Earth's changing vantage point, Comet Holmes, out beyond the orbit of Mars, was seen in November ...
... in late October, the last three months have found the coma of Comet 17P/Holmes both expanding and fading. This spectacular composite image shows how the coma and tail of Comet Holmes have changed. Due to Earth's changing vantage point, Comet Holmes, out beyond the orbit of Mars, was seen in November ...
Witnesses to Local Cosmic History - Max-Planck
... of the solar system. Just like the simple folk in historiography, they were long neglected by astronomers. Unjustly so, because these small bodies can reveal a lot about why our solar system became what it is today. Astronomers from the Max Planck Institute for Solar System Research persuade them to ...
... of the solar system. Just like the simple folk in historiography, they were long neglected by astronomers. Unjustly so, because these small bodies can reveal a lot about why our solar system became what it is today. Astronomers from the Max Planck Institute for Solar System Research persuade them to ...
Chapter 7
... 2. According to the disk-instability model, dense regions forming in the disk accrete more material and suddenly collapse to form one or more planets. However, such instabilities require massive disks, which are not commonly observed. 3. Observations suggest that it is possible for planets to form a ...
... 2. According to the disk-instability model, dense regions forming in the disk accrete more material and suddenly collapse to form one or more planets. However, such instabilities require massive disks, which are not commonly observed. 3. Observations suggest that it is possible for planets to form a ...
File
... can be seen (barely) without a telescope, looking like a distant planet. We recognize them by their motion relative to the stars. Asteroids: Location & Formation ...
... can be seen (barely) without a telescope, looking like a distant planet. We recognize them by their motion relative to the stars. Asteroids: Location & Formation ...
Cosmic Samples & Origin of Solar System
... from their interior and the impacts of volatilerich debris from the outer solar system It is likely that all the terrestrial planets originally had similar atmospheres Mercury and the Moon were apparently too small to retain their atmospheres Venus seemed to have experienced a runaway greenhouse eff ...
... from their interior and the impacts of volatilerich debris from the outer solar system It is likely that all the terrestrial planets originally had similar atmospheres Mercury and the Moon were apparently too small to retain their atmospheres Venus seemed to have experienced a runaway greenhouse eff ...
Two new transiting extra-solar planets discovered with SuperWASP
... information on the size of the orbiting body while the second gives crucial information about its mass which can reveal it as an exoplanet. These two parameters, radius and mass, are used to determine the densities of these exoplanets and thus constrain their internal properties and allow comparison ...
... information on the size of the orbiting body while the second gives crucial information about its mass which can reveal it as an exoplanet. These two parameters, radius and mass, are used to determine the densities of these exoplanets and thus constrain their internal properties and allow comparison ...
May 2015
... blue, and violet. The colors also have different frequencies and energies. The shortest wavelength in the visible spectrum, violet, has the highest frequency and energy, while red with the longest wavelength, has the lowest. Though the eye can neither detect Ultra-violet, which has a shorter wavelen ...
... blue, and violet. The colors also have different frequencies and energies. The shortest wavelength in the visible spectrum, violet, has the highest frequency and energy, while red with the longest wavelength, has the lowest. Though the eye can neither detect Ultra-violet, which has a shorter wavelen ...
6.2 Measuring the Planets
... planets, into the Kuiper belt and the Oort cloud. Some were left with extremely eccentric orbits and appear in the inner solar system as comets. ...
... planets, into the Kuiper belt and the Oort cloud. Some were left with extremely eccentric orbits and appear in the inner solar system as comets. ...
29_worlds_unnumbered..
... We can detect the effect of the planet in this Doppler shift of the star light without ever being able to detect light reflected from the planet. Because stars are so massive compared to planets they move in very small circles at very slow speeds (of order a few m/s). ...
... We can detect the effect of the planet in this Doppler shift of the star light without ever being able to detect light reflected from the planet. Because stars are so massive compared to planets they move in very small circles at very slow speeds (of order a few m/s). ...
New Worlds - Universiteit Leiden
... which is half the mass of Jupiter, turned out not to be at a respectable distance from the star, but instead orbits very close to the star. Jupiter takes some twelve years to orbit our Sun; this exoplanet circles 51 Pegasi in just four days! Theoreticians had for decades come up with wonderful expla ...
... which is half the mass of Jupiter, turned out not to be at a respectable distance from the star, but instead orbits very close to the star. Jupiter takes some twelve years to orbit our Sun; this exoplanet circles 51 Pegasi in just four days! Theoreticians had for decades come up with wonderful expla ...
optical atomic clocks and frequency standards
... Abstract: Many conventional technologies have not yet been pushed to their ultimate limits, as defined by the laws of quantum mechanics. Quantum technologies offer the possibility to do just that, yielding more sensitive metrology, more secure communication, and more powerful computation. The most b ...
... Abstract: Many conventional technologies have not yet been pushed to their ultimate limits, as defined by the laws of quantum mechanics. Quantum technologies offer the possibility to do just that, yielding more sensitive metrology, more secure communication, and more powerful computation. The most b ...
The Birth of Stars and Planets
... Interferometry and Star Formation 1. How does the accretion process onto the central star evolve with time? 2. How do large-scale (molecular) outflows and jets form? How do they get collimated? Where is exactly their origin? 3. Which role do magnetic fields play? Are they coupled to the disk? Are t ...
... Interferometry and Star Formation 1. How does the accretion process onto the central star evolve with time? 2. How do large-scale (molecular) outflows and jets form? How do they get collimated? Where is exactly their origin? 3. Which role do magnetic fields play? Are they coupled to the disk? Are t ...
planets suitable for life
... Moon is necessary to make Earth suitable for life. The same number could well be a pessimistic estimate, if migration of Jovian planets is not so common a phenomenon in reality. Recent progress in theory of planet formation and discovery of exoplanets has refined fuzzy parameters sharper and sharper ...
... Moon is necessary to make Earth suitable for life. The same number could well be a pessimistic estimate, if migration of Jovian planets is not so common a phenomenon in reality. Recent progress in theory of planet formation and discovery of exoplanets has refined fuzzy parameters sharper and sharper ...
inaugural091112
... Curiosity? Principles? The most fundamental science. Energy Environments Driver for emergence of totally new concepts Driver for pioneering technology ...
... Curiosity? Principles? The most fundamental science. Energy Environments Driver for emergence of totally new concepts Driver for pioneering technology ...