Introduction to Planetary Science
... elements by the nuclear reactions which release the energy that stars radiate into interstellar space. We simplify this complex subject by emphasizing the main events in the evolution of stars and stress that the origin of the Earth and of the other planets of the solar system is part of an ongoing ...
... elements by the nuclear reactions which release the energy that stars radiate into interstellar space. We simplify this complex subject by emphasizing the main events in the evolution of stars and stress that the origin of the Earth and of the other planets of the solar system is part of an ongoing ...
Seminar Outburst of Comet 17P/Holmes
... magnitude of the Sun in R-band and α and β are the phase angle (Sun-comet-observer angle) in degrees and the phase coefficient in magnitudes per degree. If data over a range of phase angles is not acquired, one must assume a value for phase coefficient. Commonly assumed value [2] is β = 0.035 mag. d ...
... magnitude of the Sun in R-band and α and β are the phase angle (Sun-comet-observer angle) in degrees and the phase coefficient in magnitudes per degree. If data over a range of phase angles is not acquired, one must assume a value for phase coefficient. Commonly assumed value [2] is β = 0.035 mag. d ...
Sample pages 1 PDF
... However, he could not explain this possible relationship. Was it that of cause and effect between the two, or was there something else involved that “… gave origin to both the change of weather and the meteors?” (Olmsted 1834a, p. 402). The meteors were at their most striking in frequency and brilli ...
... However, he could not explain this possible relationship. Was it that of cause and effect between the two, or was there something else involved that “… gave origin to both the change of weather and the meteors?” (Olmsted 1834a, p. 402). The meteors were at their most striking in frequency and brilli ...
Meteorites
... • Most meteorites come from the asteroid belt. At one point in time, most meteorites were part of an asteroid. • However, some rare types of meteorites have come from the Moon and the planet Mars. Some scientists suspect that a very rare meteorite type may have come from comets. • Oldest thing you c ...
... • Most meteorites come from the asteroid belt. At one point in time, most meteorites were part of an asteroid. • However, some rare types of meteorites have come from the Moon and the planet Mars. Some scientists suspect that a very rare meteorite type may have come from comets. • Oldest thing you c ...
Intelligent Life in the Universe - e
... Jewish, and Germanic mythologies. Although no fossil traces of such beings have ever been found, most of us firmly believe that nonhuman intelligent beings do indeed exist. This conviction is derived from the staggering size of the universe with roughly 100 billion times 100 billion (1022 ) stars, wh ...
... Jewish, and Germanic mythologies. Although no fossil traces of such beings have ever been found, most of us firmly believe that nonhuman intelligent beings do indeed exist. This conviction is derived from the staggering size of the universe with roughly 100 billion times 100 billion (1022 ) stars, wh ...
4373 - Zuber, M. T., H. Y. McSween Jr., R. P. Binzel, L. T. Elkins
... contribute to grain growth (Lunine 1997). The basic idea is that infall and rotation of the turbulent, protosolar molecular cloud caused flattening to a disk (cf. Weidenschilling and Cuzzi 1993). Dust grains from the protoplanetary disk collide, stick together and form clumps that progressively grow ...
... contribute to grain growth (Lunine 1997). The basic idea is that infall and rotation of the turbulent, protosolar molecular cloud caused flattening to a disk (cf. Weidenschilling and Cuzzi 1993). Dust grains from the protoplanetary disk collide, stick together and form clumps that progressively grow ...
How we found about COMETS
... the ordinary that it could not be predicted? Might that not mean something had gone wrong with the machinery? Might that not mean something unusual was going to happen on the Earth, too? As it happened, every once in a while, a new kind of shining object appeared in the night sky; one that was like ...
... the ordinary that it could not be predicted? Might that not mean something had gone wrong with the machinery? Might that not mean something unusual was going to happen on the Earth, too? As it happened, every once in a while, a new kind of shining object appeared in the night sky; one that was like ...
Detection and Discovery of Near-Earth Asteroids by the LINEAR
... kinetic energy. Asteroids with diameters smaller than approximately fifty meters typically dissipate their energy in the atmosphere, although they can cause severe local damage from air blast effects (e.g., the Tunguska collision in 1908, which flattened over eight hundred square miles of forest in ...
... kinetic energy. Asteroids with diameters smaller than approximately fifty meters typically dissipate their energy in the atmosphere, although they can cause severe local damage from air blast effects (e.g., the Tunguska collision in 1908, which flattened over eight hundred square miles of forest in ...
Former PARI students shine at AAS PARI Calendar
... and that appellation has stuck. In fact, it may be that some or all comets have a solid core beneath their outer surface of frozen gases. In recent years, the dividing line between icy comets and rocky asteroids has become blurred. There are some bodies that appear more like asteroids with ice on ...
... and that appellation has stuck. In fact, it may be that some or all comets have a solid core beneath their outer surface of frozen gases. In recent years, the dividing line between icy comets and rocky asteroids has become blurred. There are some bodies that appear more like asteroids with ice on ...
the mystery of the tunguska fireball
... The nights were also unusually bright over the British Isles. On 2 July the London Times published a letter from a Miss Katharine Stephen of Huntingdon about ‘the strange light in the sky’ which she and her sister had observed between midnight and 12.15 a.m. on 1 July. ‘It would be interesting’, she ...
... The nights were also unusually bright over the British Isles. On 2 July the London Times published a letter from a Miss Katharine Stephen of Huntingdon about ‘the strange light in the sky’ which she and her sister had observed between midnight and 12.15 a.m. on 1 July. ‘It would be interesting’, she ...
COMETARY PARALLAX
... “This is the beautiful Comet Hale-Bopp as it approached Earth in March of 1997. The solid portion or nucleus of the comet is made up of ice, frozen gases, dust and small rock. Compared to most comets Hale-Bopp is very large - about 35 kilometers in diameter. As its orbit brought it closer to the su ...
... “This is the beautiful Comet Hale-Bopp as it approached Earth in March of 1997. The solid portion or nucleus of the comet is made up of ice, frozen gases, dust and small rock. Compared to most comets Hale-Bopp is very large - about 35 kilometers in diameter. As its orbit brought it closer to the su ...
NATS 1311-From the Cosmos to Earth
... – For the convenience of the study of science, the subject is frequently divided into neat packages called biology, chemistry, geology, physics, astronomy --– Nature is not so divided - Each scientific discipline views nature from a different perspective, but all are studying the same world. ...
... – For the convenience of the study of science, the subject is frequently divided into neat packages called biology, chemistry, geology, physics, astronomy --– Nature is not so divided - Each scientific discipline views nature from a different perspective, but all are studying the same world. ...
comet panstarrs
... night sky. The brightening trend continues to speed up so that by mid-February, Comet PANSTARRS should be an unaided eye “fuzzy” located in the vicinity of the southern constellation of Microscopium. As it dives toward the Sun, it will move into the constellation of Pisces, easily visible in the S ...
... night sky. The brightening trend continues to speed up so that by mid-February, Comet PANSTARRS should be an unaided eye “fuzzy” located in the vicinity of the southern constellation of Microscopium. As it dives toward the Sun, it will move into the constellation of Pisces, easily visible in the S ...
as a PDF file
... most planets, all of which have orbit planes within 4◦ of the ecliptic, again except for Mercury (at 7◦ ) and Pluto (at 17◦ ). However, the eccentricities and inclinations of asteroids are much smaller than those of the comets. The great majority of asteroids are thus located in a wide belt that sta ...
... most planets, all of which have orbit planes within 4◦ of the ecliptic, again except for Mercury (at 7◦ ) and Pluto (at 17◦ ). However, the eccentricities and inclinations of asteroids are much smaller than those of the comets. The great majority of asteroids are thus located in a wide belt that sta ...
Vocabulary Definitions
... elevation the vertical distance or height above sea level (IG) emission line the bands of color seen in a light spectrum; indicates that light is being emitted, or produced, at that wavelength (IG) emit to give off (SRB) equator the imaginary circle around Earth or a celestial object that is everyw ...
... elevation the vertical distance or height above sea level (IG) emission line the bands of color seen in a light spectrum; indicates that light is being emitted, or produced, at that wavelength (IG) emit to give off (SRB) equator the imaginary circle around Earth or a celestial object that is everyw ...
Catch an Asteroid - Odysseus Contest
... After this we prepared a report for the Minor Planet Center in Harvard. We send it there, where all the astronomical observations are gathered – not only from professional astronomers, but also from amateurs. Our measurements were received and now are part of the database for the 4844 Matsuyama aste ...
... After this we prepared a report for the Minor Planet Center in Harvard. We send it there, where all the astronomical observations are gathered – not only from professional astronomers, but also from amateurs. Our measurements were received and now are part of the database for the 4844 Matsuyama aste ...
DYNAMIC SIMULATION OF MULTIBODY SYSTEMS IN
... Lisa Berry for affording me the rare opportunity of being a fellow of the LSAMP-BD program. You were a great mentor throughout my doctorate work. In addition, the friends that I met during my undergrad studies at Texas and resource during my graduate work. They have become a great network of profess ...
... Lisa Berry for affording me the rare opportunity of being a fellow of the LSAMP-BD program. You were a great mentor throughout my doctorate work. In addition, the friends that I met during my undergrad studies at Texas and resource during my graduate work. They have become a great network of profess ...
Catch a Comet - Innovative Teachers BG
... became clear that composition of the motes is similar to material of asteroid from the Solar system. It is said, that tails are nothing visible, but they can be watched because of the illumination of the gas and dust. The illumination is connected with the ionization of the gas by the ultraviolet ra ...
... became clear that composition of the motes is similar to material of asteroid from the Solar system. It is said, that tails are nothing visible, but they can be watched because of the illumination of the gas and dust. The illumination is connected with the ionization of the gas by the ultraviolet ra ...
Constraints on a Chance Universe & The Anthropic Principle
... and low enough in mass to avoid this chaos [referring to the tendency of giant planets to slingshot neighbors out of their systems]. •The nine planets do perturb one another, but not enough to cause close passages. James Mackey ...
... and low enough in mass to avoid this chaos [referring to the tendency of giant planets to slingshot neighbors out of their systems]. •The nine planets do perturb one another, but not enough to cause close passages. James Mackey ...
Prospects for Viewing Comet ISON
... comet's coma or head is spread out. So a comet with the same magnitude as a star appears fainter than a star of the same brightness because it's surface brightness per square arc second is so much less. Take a star out of focus in a telescope and see how big you can get a faint star before it disapp ...
... comet's coma or head is spread out. So a comet with the same magnitude as a star appears fainter than a star of the same brightness because it's surface brightness per square arc second is so much less. Take a star out of focus in a telescope and see how big you can get a faint star before it disapp ...
DOWNLOAD THIS RESOURCE (6.3 MB Powerpoint Presentation)
... If Newton could predict the return of a comet this would prove that it was natural. ...
... If Newton could predict the return of a comet this would prove that it was natural. ...
teach with space
... On Earth, active tectonic and weathering processes at the surface mean that craters generally last for a few million years before disappearing from visible sight. However, geological analysis of subsurface rocks, and other features, can be used to infer the past formation of a crater. In the early 1 ...
... On Earth, active tectonic and weathering processes at the surface mean that craters generally last for a few million years before disappearing from visible sight. However, geological analysis of subsurface rocks, and other features, can be used to infer the past formation of a crater. In the early 1 ...
teach with space
... On Earth, active tectonic and weathering processes at the surface mean that craters generally last for a few million years before disappearing from visible sight. However, geological analysis of subsurface rocks, and other features, can be used to infer the past formation of a crater. In the early 1 ...
... On Earth, active tectonic and weathering processes at the surface mean that craters generally last for a few million years before disappearing from visible sight. However, geological analysis of subsurface rocks, and other features, can be used to infer the past formation of a crater. In the early 1 ...
W. M. White Geochemistry Chapter 10: Cosmochemistry
... sometimes in C, N, and O, relative to our own galaxy. Other galaxies show distinct radial compositional variations. For example, the O/H ratio in the interstellar gas of the disk of the spiral galaxy M81 falls by an order of magnitude with distance from the center. Finally, one sees a systematic dec ...
... sometimes in C, N, and O, relative to our own galaxy. Other galaxies show distinct radial compositional variations. For example, the O/H ratio in the interstellar gas of the disk of the spiral galaxy M81 falls by an order of magnitude with distance from the center. Finally, one sees a systematic dec ...
Slides for Earth and the Solar System Unit #1
... Ceres resides in the main asteroid belt between Mars and Jupiter. It was discovered in 1801 and was labeled as a planet. It kept this title for nearly half a century before being deemed a large asteroid, and now a dwarf planet. (We will figure out the difference between an asteroid and a dwarf plane ...
... Ceres resides in the main asteroid belt between Mars and Jupiter. It was discovered in 1801 and was labeled as a planet. It kept this title for nearly half a century before being deemed a large asteroid, and now a dwarf planet. (We will figure out the difference between an asteroid and a dwarf plane ...
Impact event
An impact event is a collision between celestial objects causing measurable effects. Impact events have physical consequences and have been found to regularly occur in planetary systems, though the most frequent involve asteroids, comets or meteoroids and have minimal impact. When large objects impact terrestrial planets like the Earth, there can be significant physical and biospheric consequences, though atmospheres mitigate many surface impacts through atmospheric entry. Impact craters and structures are dominant landforms on many of the Solar System's solid objects and present the strongest empirical evidence for their frequency and scale.Impact events appear to have played a significant role in the evolution of the Solar System since its formation. Major impact events have significantly shaped Earth's history, have been implicated in the formation of the Earth–Moon system, the evolutionary history of life, the origin of water on Earth and several mass extinctions. Notable impact events include the Chicxulub impact, 66 million years ago, believed to be the cause of the Cretaceous–Paleogene extinction event.Throughout recorded history, hundreds of Earth impacts (and exploding bolides) have been reported, with some occurrences causing deaths, injuries, property damage, or other significant localised consequences. One of the best-known recorded impacts in modern times was the Tunguska event, which occurred in Siberia, Russia, in 1908. The 2013 Chelyabinsk meteor event is the only known such event to result in a large number of injuries, and the Chelyabinsk meteor is the largest recorded object to have encountered the Earth since the Tunguska event.The most notable non-terrestrial event is the Comet Shoemaker–Levy 9 impact, which provided the first direct observation of an extraterrestrial collision of Solar System objects, when the comet broke apart and collided with Jupiter in July 1994. Most of the observed extrasolar impacts are the slow collision of galaxies; however, in 2014, one of the first massive terrestrial impacts observed was detected around the star NGC 2547 ID8 by NASA's Spitzer space telescope and confirmed by ground observations. Impact events have been a plot and background element in science fiction.