Slide 1
... the time this process is nearly over, we have maybe a 15-20 planets in a system, all completely molten and still being hit by asteroids all the time. ...
... the time this process is nearly over, we have maybe a 15-20 planets in a system, all completely molten and still being hit by asteroids all the time. ...
poster - arXiv
... compute the thermal emission of a dusty resonant structure around Vega (Gorkavyi et al. 2000a, 2000b). Both the Poynting-Robertson and stellar wind drags tend to induce cometary dust inflow toward the star. The modeling has shown that a planet produces an asymmetric resonant dust belt via resonances ...
... compute the thermal emission of a dusty resonant structure around Vega (Gorkavyi et al. 2000a, 2000b). Both the Poynting-Robertson and stellar wind drags tend to induce cometary dust inflow toward the star. The modeling has shown that a planet produces an asymmetric resonant dust belt via resonances ...
Newton Implies Kepler’s 3rd Law Light January 24 −
... • Velocity is approximately R/P, where P is period. (It is exactly 2πR/P.) • Acceleration, change in velocity/time, is approximately (R/P)/P. • G M /R2 = a =R/P2 • P2= R3/(G M) ...
... • Velocity is approximately R/P, where P is period. (It is exactly 2πR/P.) • Acceleration, change in velocity/time, is approximately (R/P)/P. • G M /R2 = a =R/P2 • P2= R3/(G M) ...
9. Formation of the Solar System
... of this fact to more directly capture the infrared light of two previously detected planets orbiting outside our solar system. Spitzer has directly observed the warm infrared glows of two previously detected "hot Jupiter" planets, designated HD 209458b and TrES-1. Hot Jupiters are extrasolar gas gia ...
... of this fact to more directly capture the infrared light of two previously detected planets orbiting outside our solar system. Spitzer has directly observed the warm infrared glows of two previously detected "hot Jupiter" planets, designated HD 209458b and TrES-1. Hot Jupiters are extrasolar gas gia ...
Formation of undermassive single white dwarfs and the influence of
... (Spruit 1998), but is in any case in agreement with the the measured upper-limits for the white dwarfs as given in Table 1. 3.3. A white dwarf ejected from a binary? An other possibility for the formation of single undermassive white dwarfs is a binary origin. Consider a compact system with a giant ...
... (Spruit 1998), but is in any case in agreement with the the measured upper-limits for the white dwarfs as given in Table 1. 3.3. A white dwarf ejected from a binary? An other possibility for the formation of single undermassive white dwarfs is a binary origin. Consider a compact system with a giant ...
Towards a Classification System of Terrestrial Planets
... H2O. Thus, habitability for water-based life is determined by a planet’s mass [17], its proximity to the circumstellar habitable zone [5, 18], and by its bulk chemical composition. Although H2O is common in the universe, it is probably a universal feature of terrestrial planet formation that the inn ...
... H2O. Thus, habitability for water-based life is determined by a planet’s mass [17], its proximity to the circumstellar habitable zone [5, 18], and by its bulk chemical composition. Although H2O is common in the universe, it is probably a universal feature of terrestrial planet formation that the inn ...
The Night Sky - Faculty
... As the month of December begins, evening sky only has one planet that will be easily visible, that planet being Mars. However as the month progresses Venus will start to emerge from the bright evening twilight. During the last week of December, bright Venus will be low in the west-southwest sky, set ...
... As the month of December begins, evening sky only has one planet that will be easily visible, that planet being Mars. However as the month progresses Venus will start to emerge from the bright evening twilight. During the last week of December, bright Venus will be low in the west-southwest sky, set ...
Mon Oct 7, 2013 MOON AND SATURN, VENUS Last night, if you
... the moon is a little higher in the sky, and its crescent shape is a little bit fatter. Saturn is down below and to the right of the moon, but Venus is much closer to it, or rather, the moon now appears much closer to Venus, which is to the left and a little above the moon at sunset. The moon is a fa ...
... the moon is a little higher in the sky, and its crescent shape is a little bit fatter. Saturn is down below and to the right of the moon, but Venus is much closer to it, or rather, the moon now appears much closer to Venus, which is to the left and a little above the moon at sunset. The moon is a fa ...
The Solar System - Otto
... Formation of solar system • Nebular contraction • Spinning material flattens into pancake as it contracts • Condensation of interstellar dust • Accretion • Millions of planetesimals ...
... Formation of solar system • Nebular contraction • Spinning material flattens into pancake as it contracts • Condensation of interstellar dust • Accretion • Millions of planetesimals ...
Observation of Planets
... Voyager 1 & 2, and Ulysses. Currently, Galileo is in orbit with Jupiter and will be transmitting data back to Earth for study for a couple of years. ...
... Voyager 1 & 2, and Ulysses. Currently, Galileo is in orbit with Jupiter and will be transmitting data back to Earth for study for a couple of years. ...
Formation of undermassive single white dwarfs and the influence of
... (cf. WD 1614+136 in Table 1). We find mcrit = 21 MJ . Less massive planets expel only part of the envelope (e.g. a planet with mp = 15 MJ will only expel half of the envelope, neglecting enhanced mass loss of the giant due to the spin-up of the envelope). Planets with masses between 15 and 25 MJ are ...
... (cf. WD 1614+136 in Table 1). We find mcrit = 21 MJ . Less massive planets expel only part of the envelope (e.g. a planet with mp = 15 MJ will only expel half of the envelope, neglecting enhanced mass loss of the giant due to the spin-up of the envelope). Planets with masses between 15 and 25 MJ are ...
PISGAH Text by Dr. Bob Hayward ASTRONOMICAL Astronomer
... stars. In the middle of Cancer is a pretty cluster of stars popularly known as Praesepe or the “Beehive Cluster” since, with a pair of binoculars or a small telescope, it looks like a swarm of celestial bees. To the astronomer this cluster is known as M44 for Messier 44. Since the Beehive lies close ...
... stars. In the middle of Cancer is a pretty cluster of stars popularly known as Praesepe or the “Beehive Cluster” since, with a pair of binoculars or a small telescope, it looks like a swarm of celestial bees. To the astronomer this cluster is known as M44 for Messier 44. Since the Beehive lies close ...
Mountain Skies - Pisgah Astronomical Research Institute
... stars. In the middle of Cancer is a pretty cluster of stars popularly known as Praesepe or the “Beehive Cluster” since, with a pair of binoculars or a small telescope, it looks like a swarm of celestial bees. To the astronomer this cluster is known as M44 for Messier 44. Since the Beehive lies close ...
... stars. In the middle of Cancer is a pretty cluster of stars popularly known as Praesepe or the “Beehive Cluster” since, with a pair of binoculars or a small telescope, it looks like a swarm of celestial bees. To the astronomer this cluster is known as M44 for Messier 44. Since the Beehive lies close ...
PS 224, Fall 2014 HW 4
... planets are easiest to detect with each method? Are there certain planets that each method cannot detect, even if the planets are very large? Explain. What advantages are gained if a planet can be detected by both methods? (10 pts) Doppler technique: Good at finding massive planets at small distance ...
... planets are easiest to detect with each method? Are there certain planets that each method cannot detect, even if the planets are very large? Explain. What advantages are gained if a planet can be detected by both methods? (10 pts) Doppler technique: Good at finding massive planets at small distance ...
Our Home - Upper Arlington Library Summer Astronomy Series
... Percival Lowell (1855-1916), from Boston, MA Two surveys of the predicted location of Planet X in March and April, 1915, (100 years ago!) caught a faint image of a star that appeared to move. It is a giant game of spot-the-difference! ...
... Percival Lowell (1855-1916), from Boston, MA Two surveys of the predicted location of Planet X in March and April, 1915, (100 years ago!) caught a faint image of a star that appeared to move. It is a giant game of spot-the-difference! ...
Local preprint copy
... system from the difference in the initial and final orbits and spins. For the orbits, we first found the energy difference between the initial and final states. Then, we muliplied this an estimate of the fraction of energy that went into the satellite using the masses and tidal Q of the objects, Qpl ...
... system from the difference in the initial and final orbits and spins. For the orbits, we first found the energy difference between the initial and final states. Then, we muliplied this an estimate of the fraction of energy that went into the satellite using the masses and tidal Q of the objects, Qpl ...
Presentación de PowerPoint
... composition as has occurred in the sun. Many astronomers believe that Jupiter's composition reflects the initial composition of the solar nebula. ...
... composition as has occurred in the sun. Many astronomers believe that Jupiter's composition reflects the initial composition of the solar nebula. ...
Resource Letter Exo
... As of 1 November 2013, just over 1000 exoplanets (in nearly 200 multiple systems) are considered as ‘confirmed’, many through dedicated space observations (and many more expected from the ongoing Kepler satellite analysis). The architecture of many of the systems (in terms of masses and orbits) are ...
... As of 1 November 2013, just over 1000 exoplanets (in nearly 200 multiple systems) are considered as ‘confirmed’, many through dedicated space observations (and many more expected from the ongoing Kepler satellite analysis). The architecture of many of the systems (in terms of masses and orbits) are ...
here
... Prompts (Study One) • Blocked Presentation Order: – Planets with very little mass will most likely not have an atmosphere which helps keeps the surface of the planet warm enough for liquid water to exist. – Venus has less mass than Earth, but smaller objects do not always have less mass than larger ...
... Prompts (Study One) • Blocked Presentation Order: – Planets with very little mass will most likely not have an atmosphere which helps keeps the surface of the planet warm enough for liquid water to exist. – Venus has less mass than Earth, but smaller objects do not always have less mass than larger ...
Dwarfs, Etc - University of Dayton
... Astronomers have announced the discovery of a large new planetoid named Sedna. Mike Brown of the California Institute of Technology, Chad Trujillo of the Gemini Observatory in Hawaii, and David Rabinowitz of Yale University in Connecticut discovered Sedna in November 2003. The astronomers cannot be ...
... Astronomers have announced the discovery of a large new planetoid named Sedna. Mike Brown of the California Institute of Technology, Chad Trujillo of the Gemini Observatory in Hawaii, and David Rabinowitz of Yale University in Connecticut discovered Sedna in November 2003. The astronomers cannot be ...
Great Migrations & other natural history tales
... zone boundaries, magnetospheric inner disk cavities, formation-caused radial disk structure) Offers possibility of survival of giant planets at intermediate distances (0.1 - 1 AU), ...and of terrestrial planets during the passage of a giant planet on its way to the star. If type I superseded by type ...
... zone boundaries, magnetospheric inner disk cavities, formation-caused radial disk structure) Offers possibility of survival of giant planets at intermediate distances (0.1 - 1 AU), ...and of terrestrial planets during the passage of a giant planet on its way to the star. If type I superseded by type ...
Super-Earth
A super-Earth is an extrasolar planet with a mass higher than Earth's, but substantially below the mass of the Solar System's ice giants Uranus and Neptune, which are 15 and 17 Earth masses respectively. The term super-Earth refers only to the mass of the planet, and does not imply anything about the surface conditions or habitability. The alternative term ""gas dwarfs"" may be more accurate for those at the higher end of the mass scale, as suggested by MIT professor Sara Seager, although mini-Neptunes is more common.