PHYS178 Planets
... nearly in the plane of its orbit, producing greatly exaggerated seasonal changes on the planet. • This unusual orientation may be the result of a collision with a planet-like object early in the history of our solar system. Such a collision could have knocked Uranus on its side. • Ring Systems of Ur ...
... nearly in the plane of its orbit, producing greatly exaggerated seasonal changes on the planet. • This unusual orientation may be the result of a collision with a planet-like object early in the history of our solar system. Such a collision could have knocked Uranus on its side. • Ring Systems of Ur ...
Igneous Petrology
... (matrix). It forms due to two cycles of cooling, initially very slowly underground, then rapidly at Earth's surface. 1-Flow Texture: directive large phenocrysts in matrix. It forms due to magma flowing 3- Vesicular texture: refers to vesicles (holes, pores, or cavities) within the igneous rock. It f ...
... (matrix). It forms due to two cycles of cooling, initially very slowly underground, then rapidly at Earth's surface. 1-Flow Texture: directive large phenocrysts in matrix. It forms due to magma flowing 3- Vesicular texture: refers to vesicles (holes, pores, or cavities) within the igneous rock. It f ...
Life on Other Worlds
... The question of whether life exists on other worlds than ours is one that has fascinated man for centuries. In thi? book H. Spencer Jones, eminent British astronomer, summarizes the evidence and attempts to give an answer. Lucid as well as entertaining, Lije on Other Worlds will serve many readers a ...
... The question of whether life exists on other worlds than ours is one that has fascinated man for centuries. In thi? book H. Spencer Jones, eminent British astronomer, summarizes the evidence and attempts to give an answer. Lucid as well as entertaining, Lije on Other Worlds will serve many readers a ...
Make a Comet Motion Flip Book
... blows away from the Sun, causes the tail to always point away from the Sun in the same way that smoke from a smoke stack moves away from the direction of the wind. • Notice when you flip the book that the comet moves slowly in its orbit when it is far from the Sun and quickly when it is near to the ...
... blows away from the Sun, causes the tail to always point away from the Sun in the same way that smoke from a smoke stack moves away from the direction of the wind. • Notice when you flip the book that the comet moves slowly in its orbit when it is far from the Sun and quickly when it is near to the ...
The Habitability of Planets Orbiting M
... Observational Landscape and Demographics of M-dwarf Planets 3.1 RV Planets and the dearth of Gas Giants, metallicity effects . . 3.2 MEarth, GJ 1214b, and TRAPPIST . . . . . . . . . . . . . . 3.3 Microlensing and Direct Imaging . . . . . . . . . . . . . . . . 3.4 The Kepler Sample . . . . . . . . . ...
... Observational Landscape and Demographics of M-dwarf Planets 3.1 RV Planets and the dearth of Gas Giants, metallicity effects . . 3.2 MEarth, GJ 1214b, and TRAPPIST . . . . . . . . . . . . . . 3.3 Microlensing and Direct Imaging . . . . . . . . . . . . . . . . 3.4 The Kepler Sample . . . . . . . . . ...
CHAPTER 1 Meteorites, Asteroids, and Comets
... meteorites to planetesimallike parent bodies. • However, the small meteorites in the solar system cannot be fragments of the planetesimals that formed the planets. – They would have been swept up by the planets in only a billion years or less. – They could not have survived for 4.6 billion years. ...
... meteorites to planetesimallike parent bodies. • However, the small meteorites in the solar system cannot be fragments of the planetesimals that formed the planets. – They would have been swept up by the planets in only a billion years or less. – They could not have survived for 4.6 billion years. ...
Planetary Rings - Astronomy Cast
... With Uranus and Neptune, these rings kind of have a weird discovery history. It was claimed with both sets of rings that there were old, old measurements, for Uranus in particular, William Herschel notes detailing the supposed rings in the 18th century. But, you know, no one else made any claims of ...
... With Uranus and Neptune, these rings kind of have a weird discovery history. It was claimed with both sets of rings that there were old, old measurements, for Uranus in particular, William Herschel notes detailing the supposed rings in the 18th century. But, you know, no one else made any claims of ...
Name: ____ Date: __________ Period: ________ Pluto Files (PBS
... In 1992, other objects around near Pluto were found. They are known as The Kuiper Belt objects. They have wide orbits around the Sun. They are thought to be left over pieces of the solar system from 4 billion years ago. They were pushed far out and put into a deep freeze. Is Pluto a planet or a Kui ...
... In 1992, other objects around near Pluto were found. They are known as The Kuiper Belt objects. They have wide orbits around the Sun. They are thought to be left over pieces of the solar system from 4 billion years ago. They were pushed far out and put into a deep freeze. Is Pluto a planet or a Kui ...
- Interactive Media Systems, TU Vienna
... structure of the Solar System with models. Most of them were small and provided an outside look onto the Solar System. Developments in Computer Graphics, Virtual Reality environments, and space exploration make it possible for a user to see the Solar System as though he was ying through space in ...
... structure of the Solar System with models. Most of them were small and provided an outside look onto the Solar System. Developments in Computer Graphics, Virtual Reality environments, and space exploration make it possible for a user to see the Solar System as though he was ying through space in ...
Mars` core and magnetism
... were converted into heat it would be sufficient to heat the Marsforming material to several thousand degrees above the melting point, and even with the loss of heat by radiation, a magma ocean is likely. This ocean might be transient (surviving for a brief period after each giant impact), or it migh ...
... were converted into heat it would be sufficient to heat the Marsforming material to several thousand degrees above the melting point, and even with the loss of heat by radiation, a magma ocean is likely. This ocean might be transient (surviving for a brief period after each giant impact), or it migh ...
The Kaapvaal craton (South Africa): no evidence for a supercontinental
... developed while growth and stabilization of the craton were still underway. Accretion of relatively small composite granite-gneiss-greenstone (island arc complex) terranes from both N and W, does not support formation of a Neoarchean supercontinent, but may well have been related to a mantle plume w ...
... developed while growth and stabilization of the craton were still underway. Accretion of relatively small composite granite-gneiss-greenstone (island arc complex) terranes from both N and W, does not support formation of a Neoarchean supercontinent, but may well have been related to a mantle plume w ...
Orbits
... The various types of orbits can describe the orbital energy and the orbital shape (eccentricity mostly), or by reference orbit orientation, orbital period or planetary surface coverage for the orbiting satellites Communication, remote sensing, and surveillance all require specific orientation throug ...
... The various types of orbits can describe the orbital energy and the orbital shape (eccentricity mostly), or by reference orbit orientation, orbital period or planetary surface coverage for the orbiting satellites Communication, remote sensing, and surveillance all require specific orientation throug ...
lecture04_2014_geo_heliocentric_theory
... • But as we pass by them, planets seem to move west relative to the stars. • Only noticeable over many nights; on a single night, a planet rises in east and sets in west… ...
... • But as we pass by them, planets seem to move west relative to the stars. • Only noticeable over many nights; on a single night, a planet rises in east and sets in west… ...
Grade 9 Space Review 50KB Nov 18 2009 10:52:00 AM
... Mars, Earth, Neptune, Jupiter. PTS: 1 REF: UC STA: UBC3 11. ANS: Not necessarily. Jupiter and Saturn, the two largest planets, have the shortest days. PTS: 1 REF: UC STA: UBC3 12. ANS: The density of Saturn is less than the density of water. If you can find enough water, Saturn will float on it! PT ...
... Mars, Earth, Neptune, Jupiter. PTS: 1 REF: UC STA: UBC3 11. ANS: Not necessarily. Jupiter and Saturn, the two largest planets, have the shortest days. PTS: 1 REF: UC STA: UBC3 12. ANS: The density of Saturn is less than the density of water. If you can find enough water, Saturn will float on it! PT ...
parte ii - NivelesDeIngles
... elliptical galaxy – galaxia elíptica – (astr.) A galaxy without spiral arms and with an ellipsoidal shape. Ellipticals have little interstellar matter and no blue giants (the only giants are red). Ellipticals apparently produce only Type I supernovae. ellipticity – elipticidad – (math.)The ratio of ...
... elliptical galaxy – galaxia elíptica – (astr.) A galaxy without spiral arms and with an ellipsoidal shape. Ellipticals have little interstellar matter and no blue giants (the only giants are red). Ellipticals apparently produce only Type I supernovae. ellipticity – elipticidad – (math.)The ratio of ...
Near-Earth Asteroid Search Programs
... excess of 1 km by the year 2008 (NASA, 1998). One-kilometer-diameter asteroids are thought to mark the threshold size for globally catastrophic consequences in a collision, and various models indicate there are between 500 and 2100 such objects (Morrison et al., 1992; Rabinowitz et al., 2000; Bottke ...
... excess of 1 km by the year 2008 (NASA, 1998). One-kilometer-diameter asteroids are thought to mark the threshold size for globally catastrophic consequences in a collision, and various models indicate there are between 500 and 2100 such objects (Morrison et al., 1992; Rabinowitz et al., 2000; Bottke ...
November, 2015 - The Baton Rouge Astronomical Society
... One big early surprise (1995) was the ground-based discovery of “hot Jupiters:” gas giants the size of Jupiter in orbits around their parent stars much closer than Venus—or even Mercury—is to the Sun. How does something that massive form so close to a parent star? Would there have been enough materi ...
... One big early surprise (1995) was the ground-based discovery of “hot Jupiters:” gas giants the size of Jupiter in orbits around their parent stars much closer than Venus—or even Mercury—is to the Sun. How does something that massive form so close to a parent star? Would there have been enough materi ...
Gravitation - Saptarshi Classes
... Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is [CBSE PMT 1995; RPMT 2003] (a) v ...
... Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is [CBSE PMT 1995; RPMT 2003] (a) v ...
ExoOrg_NAI
... material processed in the Solar Nebula.6 Aspects of such processing are illustrated in Figure 1.0. Detailed study of interstellar ices has advanced greatly in recent years7 with enhanced theoretical models and laboratory analogs, as well as with remote sensing. If comets in fact participated in the ...
... material processed in the Solar Nebula.6 Aspects of such processing are illustrated in Figure 1.0. Detailed study of interstellar ices has advanced greatly in recent years7 with enhanced theoretical models and laboratory analogs, as well as with remote sensing. If comets in fact participated in the ...
Comets and the Age of the Solar System
... 'deep freeze' sort of environment so that they survive to today. Occasional gravitational effects of other stars, called perturbations, are believed to cause some of these nuclei to plunge toward the Sun and continue to orbit until they are exhausted in a time-scale much less than 4.6 Ga as mentione ...
... 'deep freeze' sort of environment so that they survive to today. Occasional gravitational effects of other stars, called perturbations, are believed to cause some of these nuclei to plunge toward the Sun and continue to orbit until they are exhausted in a time-scale much less than 4.6 Ga as mentione ...
Detection of water ice on Nereid
... spectrum of Neptune’s distant irregular satellite Nereid. The spectrum and albedo of Nereid appear intermediate between those of the Uranian satellites Umbriel and Oberon, suggesting a surface composed of a combination of water ice frost and a dark and spectrally neutral material. In contrast, the s ...
... spectrum of Neptune’s distant irregular satellite Nereid. The spectrum and albedo of Nereid appear intermediate between those of the Uranian satellites Umbriel and Oberon, suggesting a surface composed of a combination of water ice frost and a dark and spectrally neutral material. In contrast, the s ...
Poor Pluto: Everyone`s favorite dwarf planet
... discovered in the coming years. "I thought it was awesome," said Jessica Villeda, a third-grade student at Deep River. "I'd never heard about a dwarf planet before." "Sol & Company," a show about the solar system for young children, still calls Pluto a planet, although presenters discuss the body's ...
... discovered in the coming years. "I thought it was awesome," said Jessica Villeda, a third-grade student at Deep River. "I'd never heard about a dwarf planet before." "Sol & Company," a show about the solar system for young children, still calls Pluto a planet, although presenters discuss the body's ...
Late Heavy Bombardment
The Late Heavy Bombardment (abbreviated LHB and also known as the lunar cataclysm) is a hypothetical event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, corresponding to the Neohadean and Eoarchean eras on Earth. During this interval, a disproportionately large number of asteroids apparently collided with the early terrestrial planets in the inner Solar System, including Mercury, Venus, Earth, and Mars. The LHB happened after the Earth and other rocky planets had formed and accreted most of their mass, but still quite early in Earth's history.Evidence for the LHB derives from lunar samples brought back by the Apollo astronauts. Isotopic dating of Moon rocks implies that most impact melts occurred in a rather narrow interval of time. Several hypotheses are now offered to explain the apparent spike in the flux of impactors (i.e. asteroids and comets) in the inner Solar System, but no consensus yet exists. The Nice model is popular among planetary scientists; it postulates that the gas giant planets underwent orbital migration and scattered objects in the asteroid and/or Kuiper belts into eccentric orbits, and thereby into the path of the terrestrial planets. Other researchers argue that the lunar sample data do not require a cataclysmic cratering event near 3.9 Ga, and that the apparent clustering of impact melt ages near this time is an artifact of sampling materials retrieved from a single large impact basin. They also note that the rate of impact cratering could be significantly different between the outer and inner zones of the Solar System.