azu_etd_13224_sip1_m
... I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
... I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Astronomy and Astrophysics (ASTRO)
... planetary systems: dynamics, thermodynamics, internal and surface structure of planets and minor bodies, physics of their atmosphere. Discovery techniques and characterization of extrasolar planets, and planetary systems formation models. "Grand tour" of the Solar System, using data and imagery from ...
... planetary systems: dynamics, thermodynamics, internal and surface structure of planets and minor bodies, physics of their atmosphere. Discovery techniques and characterization of extrasolar planets, and planetary systems formation models. "Grand tour" of the Solar System, using data and imagery from ...
PDF - NMSU Astronomy
... Figure 1.2: The change in the Dow Jones stock index over one year (from April 2003 to July 2004). plot. For comparing the stock market you need to plot the value of the stocks versus the date. We call data of this type an “ordered pair”. Each data point requires a value for x (the date) and y (the v ...
... Figure 1.2: The change in the Dow Jones stock index over one year (from April 2003 to July 2004). plot. For comparing the stock market you need to plot the value of the stocks versus the date. We call data of this type an “ordered pair”. Each data point requires a value for x (the date) and y (the v ...
(Download from http://astronomy.nmsu.edu/astro/) c NMSU
... Figure 1.2: The change in the Dow Jones stock index over one year (from April 2003 to July 2004). plot. For comparing the stock market you need to plot the value of the stocks versus the date. We call data of this type an “ordered pair”. Each data point requires a value for x (the date) and y (the v ...
... Figure 1.2: The change in the Dow Jones stock index over one year (from April 2003 to July 2004). plot. For comparing the stock market you need to plot the value of the stocks versus the date. We call data of this type an “ordered pair”. Each data point requires a value for x (the date) and y (the v ...
Seeding the Universe with Life
... structures. The laws and constants of physics coincide precisely to allow biological matter to exist. The strong and weak nuclear forces are just right to create the elements. Electromagnetic forces are just right to allow molecular structure. Gravity and the masses of stars, galaxies and the overal ...
... structures. The laws and constants of physics coincide precisely to allow biological matter to exist. The strong and weak nuclear forces are just right to create the elements. Electromagnetic forces are just right to allow molecular structure. Gravity and the masses of stars, galaxies and the overal ...
Antares Palette - RASC Kingston Centre
... Recent observations at the VLT telescope have been used to try to solve the Universe’s lithium problem. When the Universe was created, a small amount of lithium formed along with the hydrogen and helium that were the main chemical constituents created in the Big Bang. Models of the early Universe an ...
... Recent observations at the VLT telescope have been used to try to solve the Universe’s lithium problem. When the Universe was created, a small amount of lithium formed along with the hydrogen and helium that were the main chemical constituents created in the Big Bang. Models of the early Universe an ...
8 Comets: Potential Sources of Prebiotic Molecules for the
... Cometary dust particles disperse more or less rapidly into the interplanetary space, according to their shape, nature and initial velocity. Some of them cross the path of the Earth; if large enough they produce meteors. One can get an idea of cometary dust particles by looking at particles collected ...
... Cometary dust particles disperse more or less rapidly into the interplanetary space, according to their shape, nature and initial velocity. Some of them cross the path of the Earth; if large enough they produce meteors. One can get an idea of cometary dust particles by looking at particles collected ...
R585 EXPLORERS OF THE SOUTHERN SKY
... and Richard McGee - 1996 - £ 60.00/US$ 90.00 (hardcover) - ISBN 0 521 36575 9 - number of pages : 527 - history of astronomy This well-illustrated volume is the most conprehensive account of Australian astronomy to date. It is both an indispensabel reference book on the history of astronomy in Austr ...
... and Richard McGee - 1996 - £ 60.00/US$ 90.00 (hardcover) - ISBN 0 521 36575 9 - number of pages : 527 - history of astronomy This well-illustrated volume is the most conprehensive account of Australian astronomy to date. It is both an indispensabel reference book on the history of astronomy in Austr ...
Giuseppe Piazzi and the Discovery of Ceres
... my objections, and nevertheless in his first letter to Mr. Oriani favours its planetary nature.” It is evident at this point that Piazzi decided to write to Bode, who was known for helping to create the Titius-Bode law, just to probe his reaction. Unfortunately for Piazzi, the letters reached Bode o ...
... my objections, and nevertheless in his first letter to Mr. Oriani favours its planetary nature.” It is evident at this point that Piazzi decided to write to Bode, who was known for helping to create the Titius-Bode law, just to probe his reaction. Unfortunately for Piazzi, the letters reached Bode o ...
Spin-driven tidal pumping: Tidally driven changes in planetary spin
... star and on the planet (e.g. Jeffreys 1961, Goldreich and Soter 1966, Kaula 1968, Jackson et al. 2008). The tides also affect semi-major axes a, whose changes can modify e-damping rates on comparable timescales (Jackson et al. 2008). Evolution becomes more complex and interesting in multiplanet syst ...
... star and on the planet (e.g. Jeffreys 1961, Goldreich and Soter 1966, Kaula 1968, Jackson et al. 2008). The tides also affect semi-major axes a, whose changes can modify e-damping rates on comparable timescales (Jackson et al. 2008). Evolution becomes more complex and interesting in multiplanet syst ...
asteroid wise - Lawrence Hall of Science
... Asteroids that are made of rock and/or metal are not the only menace. Comets are bodies of ice that can go crashing into planets as dramatically seen in 1994 when the large comet ShoemakerLevy 9 fragmented and created huge explosions when it struck the planet Jupiter at more than 20 different sites. ...
... Asteroids that are made of rock and/or metal are not the only menace. Comets are bodies of ice that can go crashing into planets as dramatically seen in 1994 when the large comet ShoemakerLevy 9 fragmented and created huge explosions when it struck the planet Jupiter at more than 20 different sites. ...
structure and evolution of white dwarfs and their
... Dreizler & Werner 1996) implies that He-rich white dwarfs must temporarily be seen as DA stars due to some physical process. ...
... Dreizler & Werner 1996) implies that He-rich white dwarfs must temporarily be seen as DA stars due to some physical process. ...
Cloud Formation, Evolution and Destruction
... reason. Close examination of wide regions of sky indicates that these globules are not so distant from molecular cloud complexes. They may have originally been part of these cloud complexes but lost contact. Or, they may have been associated with dense dusty ridges or filaments of atomic gas extendi ...
... reason. Close examination of wide regions of sky indicates that these globules are not so distant from molecular cloud complexes. They may have originally been part of these cloud complexes but lost contact. Or, they may have been associated with dense dusty ridges or filaments of atomic gas extendi ...
Lightning climatology of exoplanets and brown dwarfs guided by
... variability. Their results suggest an increase of flash numbers due to an increase of global precipitation rate and of the convective available potential energy, a proxy of lightning activity. This suggests that lightning in the astrophysical context will depend on internal heating and stellar irrad ...
... variability. Their results suggest an increase of flash numbers due to an increase of global precipitation rate and of the convective available potential energy, a proxy of lightning activity. This suggests that lightning in the astrophysical context will depend on internal heating and stellar irrad ...
Critique of the 2015 Carter/Sarfati Paper Titled: “Why the Universe
... poles. Thus in frame number 1 (the earth turns round while the sky is at rest), the centrifugal force is a consequence of the earth’s motion (uniform acceleration) relative to the heavens. This causes the flattening. In the latter frame, number 2 (the sky rotates and the earth stands still), the cen ...
... poles. Thus in frame number 1 (the earth turns round while the sky is at rest), the centrifugal force is a consequence of the earth’s motion (uniform acceleration) relative to the heavens. This causes the flattening. In the latter frame, number 2 (the sky rotates and the earth stands still), the cen ...
Fluorine abundances in dwarf stars of the solar neighbourhood⋆
... in closer agreement with the most recent theoretical nucleosynthesis predicions (Cristallo et al. 2009), although they have a different dependence on the stellar metallicity. However, Lucatello et al. (2011) measured the F abundance of ten Galactic extrinsic carbon-rich, low-metallicity stars conclu ...
... in closer agreement with the most recent theoretical nucleosynthesis predicions (Cristallo et al. 2009), although they have a different dependence on the stellar metallicity. However, Lucatello et al. (2011) measured the F abundance of ten Galactic extrinsic carbon-rich, low-metallicity stars conclu ...
Abiotic formation of O2 and O3 in high
... improve significantly on this assumption, as our own climate model (Pavlov et al. 2000) is not particularly accurate up in the Doppler-broadened stratosphere and mesosphere. The assumed solar UV flux in this model was the same as for Earth today. We also performed simulations for higher UV fluxes. A ...
... improve significantly on this assumption, as our own climate model (Pavlov et al. 2000) is not particularly accurate up in the Doppler-broadened stratosphere and mesosphere. The assumed solar UV flux in this model was the same as for Earth today. We also performed simulations for higher UV fluxes. A ...
February`s Total Lunar Eclipse
... the umbral portion with totality lasting only about 50 minutes (Fig. 1). Brightness and color variations can vary significantly from one lunar eclipse to another due to factors as the Moon’s position with the Earth’s shadow and conditions within Earth’s atmosphere. Although one might expect the Eart ...
... the umbral portion with totality lasting only about 50 minutes (Fig. 1). Brightness and color variations can vary significantly from one lunar eclipse to another due to factors as the Moon’s position with the Earth’s shadow and conditions within Earth’s atmosphere. Although one might expect the Eart ...
mission design - Messenger - The Johns Hopkins University Applied
... in the sky from the Sun’s glare, early astronomers had a difficult time viewing it, and considered it a "wandering star" appearing just before sunrise or just after sunset. Mercury travels around the Sun faster than any other planet. During one Earth year, Mercury makes over four orbits around the S ...
... in the sky from the Sun’s glare, early astronomers had a difficult time viewing it, and considered it a "wandering star" appearing just before sunrise or just after sunset. Mercury travels around the Sun faster than any other planet. During one Earth year, Mercury makes over four orbits around the S ...
Lecture Outline and Specific Objectives
... • identify the locations and nature of the asteroid belt, Kuiper belt and the Oort cloud • describe how meteorites are related to asteroids and comets • sketch the structure of a comet • describe their formation and roles in supplying long and short period comets to the inner solar system • describe ...
... • identify the locations and nature of the asteroid belt, Kuiper belt and the Oort cloud • describe how meteorites are related to asteroids and comets • sketch the structure of a comet • describe their formation and roles in supplying long and short period comets to the inner solar system • describe ...
The chemical composition of solar-type stars and its impact on the
... on the gravitational lensing effect of its host star is measured, and pulsar timing, that lead to the first discovery of an exoplanet in 1992. With the pulsar timing method, observers examine small variations in the extremely periodic radio emission pattern of a star, that are caused by planets. How ...
... on the gravitational lensing effect of its host star is measured, and pulsar timing, that lead to the first discovery of an exoplanet in 1992. With the pulsar timing method, observers examine small variations in the extremely periodic radio emission pattern of a star, that are caused by planets. How ...
PLUTO - Department of Earth and Planetary Sciences, Northwestern
... Search for the 9th planet in the solar system has long been the ambition of many astronomers. Neptune has officially been claimed as the 8 th planet of our solar system since 1781 (although it's also observable to naked eyes) 9, but astronomers have been looking for a massive enough object (Planet X ...
... Search for the 9th planet in the solar system has long been the ambition of many astronomers. Neptune has officially been claimed as the 8 th planet of our solar system since 1781 (although it's also observable to naked eyes) 9, but astronomers have been looking for a massive enough object (Planet X ...
Live from McDonald Observatory: Observing Venus: explore how it
... an important discovery because as the videoconference facilitator will demonstrate, for us to see an entire cycle of phases, Venus must orbit the Sun. Your students have begun to make the same gr ...
... an important discovery because as the videoconference facilitator will demonstrate, for us to see an entire cycle of phases, Venus must orbit the Sun. Your students have begun to make the same gr ...
Formation and evolution of the Solar System
The formation of the Solar System began 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. Most of the collapsing mass collected in the center, forming the Sun, while the rest flattened into a protoplanetary disk out of which the planets, moons, asteroids, and other small Solar System bodies formed.This widely accepted model, known as the nebular hypothesis, was first developed in the 18th century by Emanuel Swedenborg, Immanuel Kant, and Pierre-Simon Laplace. Its subsequent development has interwoven a variety of scientific disciplines including astronomy, physics, geology, and planetary science. Since the dawn of the space age in the 1950s and the discovery of extrasolar planets in the 1990s, the model has been both challenged and refined to account for new observations.The Solar System has evolved considerably since its initial formation. Many moons have formed from circling discs of gas and dust around their parent planets, while other moons are thought to have formed independently and later been captured by their planets. Still others, such as the Moon, may be the result of giant collisions. Collisions between bodies have occurred continually up to the present day and have been central to the evolution of the Solar System. The positions of the planets often shifted due to gravitational interactions. This planetary migration is now thought to have been responsible for much of the Solar System's early evolution.In roughly 5 billion years, the Sun will cool and expand outward many times its current diameter (becoming a red giant), before casting off its outer layers as a planetary nebula and leaving behind a stellar remnant known as a white dwarf. In the far distant future, the gravity of passing stars will gradually reduce the Sun's retinue of planets. Some planets will be destroyed, others ejected into interstellar space. Ultimately, over the course of tens of billions of years, it is likely that the Sun will be left with none of the original bodies in orbit around it.