IS Chapter 14 Notes
... Origin of the moon – best theory is the Collision-ring Theory stating a planet sized object collided with the Earth. Material from the object and Earth’s outer layer was ejected into orbit around Earth where a ring was formed. Gravity caused this material to clump together forming the moon ...
... Origin of the moon – best theory is the Collision-ring Theory stating a planet sized object collided with the Earth. Material from the object and Earth’s outer layer was ejected into orbit around Earth where a ring was formed. Gravity caused this material to clump together forming the moon ...
Benchmark lesson
... Compared with the Earth, the Sun is huge. A single sunspot on the Sun’s surface may be larger than the entire planet we live on. However, when compared to other stars, our Sun is not very large or very hot. It is an average star. Some stars are much smaller than the Sun while other stars can be more ...
... Compared with the Earth, the Sun is huge. A single sunspot on the Sun’s surface may be larger than the entire planet we live on. However, when compared to other stars, our Sun is not very large or very hot. It is an average star. Some stars are much smaller than the Sun while other stars can be more ...
PHYS 390 Lecture 31 - Kinematics of galaxies 31
... Galaxies assume a variety of shapes, but certainly one of the more common shapes is a spiral or pinwheel: ...
... Galaxies assume a variety of shapes, but certainly one of the more common shapes is a spiral or pinwheel: ...
The Motion of Celestial Bodies
... Kaare Aksnes, born at Kvam, Norway 25 March 1938, Professor of Astronomy, University of Oslo, Norway, Masters Degree in astronomy, University of Oslo, Norway 1963, Ph.D. in astronomy, Yale ...
... Kaare Aksnes, born at Kvam, Norway 25 March 1938, Professor of Astronomy, University of Oslo, Norway, Masters Degree in astronomy, University of Oslo, Norway 1963, Ph.D. in astronomy, Yale ...
Comets and Mass Extinction
... •A comet has approximately 100 times more kinetic energy per gram than 420J/g of TNT! Jupiter—the trashcan • As large as 2.5 times all of the other planets in the solar system combined, known as a “Gas Giant,” 318 times as massive as the earth and therefore has a much greater gravitational pull, hol ...
... •A comet has approximately 100 times more kinetic energy per gram than 420J/g of TNT! Jupiter—the trashcan • As large as 2.5 times all of the other planets in the solar system combined, known as a “Gas Giant,” 318 times as massive as the earth and therefore has a much greater gravitational pull, hol ...
The Earth, Sun, Moon and Stars Unit (Planets too!)
... One large sheet of black construction paper One box of large gold stars or round yellow labels. One box of small gold stars or round yellow labels. One roll of masking tape. One single hole paper punch. One copy of the "instruction Sheet" for each student One paper fastener for each student Scissors ...
... One large sheet of black construction paper One box of large gold stars or round yellow labels. One box of small gold stars or round yellow labels. One roll of masking tape. One single hole paper punch. One copy of the "instruction Sheet" for each student One paper fastener for each student Scissors ...
Objects In Space -- research questions
... 1. What are the names of the 4 inner planets, in order from the sun (closest to further away). ...
... 1. What are the names of the 4 inner planets, in order from the sun (closest to further away). ...
Introduction to Astronomy (high school)
... are all widely used by astronomers. The Supernova of 1987 (Supernova 1987a), one of the major astronomical events of this century, was identified with the star named SK -69 202 in the very specialized catalog, the Deep Objective Prism Survey of the Large Magellanic Cloud, published by the Warner and ...
... are all widely used by astronomers. The Supernova of 1987 (Supernova 1987a), one of the major astronomical events of this century, was identified with the star named SK -69 202 in the very specialized catalog, the Deep Objective Prism Survey of the Large Magellanic Cloud, published by the Warner and ...
20081 Study Guide_77-120
... circle. If one of the skaters were invisible, an observer could still infer that two skaters were present by observing the effect the invisible skater would have on the motion of the visible skater. Similarly, astronomers detect black holes by their gravitational effects on nearby stars, gas, or dus ...
... circle. If one of the skaters were invisible, an observer could still infer that two skaters were present by observing the effect the invisible skater would have on the motion of the visible skater. Similarly, astronomers detect black holes by their gravitational effects on nearby stars, gas, or dus ...
How Big is the Solar System?
... They go around at various speeds. The inner planets not only have smaller circles to travel but move faster. Thus, Mercury goes around in about 3 months; the Earth, in a year; and Pluto in about 250 years. The circling movements mean that the planets spend most of their time much farther apart even ...
... They go around at various speeds. The inner planets not only have smaller circles to travel but move faster. Thus, Mercury goes around in about 3 months; the Earth, in a year; and Pluto in about 250 years. The circling movements mean that the planets spend most of their time much farther apart even ...
DTU 8e Lecture PPT Chap 1 Discovering the Night Sky v2
... Formally, however, a constellation is an entire area of the celestial sphere and all the stars and other objects in it. Viewed from Earth, the entire sky is covered by 88 different-sized constellations. If there is any room for confusion, astronomers refer to the patterns as asterisms. ...
... Formally, however, a constellation is an entire area of the celestial sphere and all the stars and other objects in it. Viewed from Earth, the entire sky is covered by 88 different-sized constellations. If there is any room for confusion, astronomers refer to the patterns as asterisms. ...
originofsolarsystem
... the common center of mass. If planets are massive enough, the center of mass is not located at the center of the star, and the star orbits around this point as well. This motion can be detected through Doppler shifts in the star’s spectrum. ...
... the common center of mass. If planets are massive enough, the center of mass is not located at the center of the star, and the star orbits around this point as well. This motion can be detected through Doppler shifts in the star’s spectrum. ...
Wonderful eclipses
... Moon shape Secondly, what if the Moon were “less round”? Clearly, this would result in fewer eclipses with the present configuration of the Earth–Moon– Sun system. Eclipses would still occur if the apparent size of the minor axis of a squashed Moon were larger than the Sun’s apparent size. But such ...
... Moon shape Secondly, what if the Moon were “less round”? Clearly, this would result in fewer eclipses with the present configuration of the Earth–Moon– Sun system. Eclipses would still occur if the apparent size of the minor axis of a squashed Moon were larger than the Sun’s apparent size. But such ...
4550-15Lecture35
... emission and absorption lines are much weaker and excess infrared emission is absent. The inference is that the disk has largely dissipated by this stage. Like classical T-Tauri stars, weak-lined T-Tauri stars are cooler yet more luminous than mature main sequence stars of similar mass, but they are ...
... emission and absorption lines are much weaker and excess infrared emission is absent. The inference is that the disk has largely dissipated by this stage. Like classical T-Tauri stars, weak-lined T-Tauri stars are cooler yet more luminous than mature main sequence stars of similar mass, but they are ...
The Solar System
... The Kuiper belt rhyming with "viper"),[1] is a region of the Solar System beyond the planets extending from the orbit of Neptune (at 30 AU) to approximately 55 AU from the Sun.[2] It is similar to the asteroid belt, although it is far larger—20 times as wide and 20 to 200 times as massive.[3][4] Lik ...
... The Kuiper belt rhyming with "viper"),[1] is a region of the Solar System beyond the planets extending from the orbit of Neptune (at 30 AU) to approximately 55 AU from the Sun.[2] It is similar to the asteroid belt, although it is far larger—20 times as wide and 20 to 200 times as massive.[3][4] Lik ...
Chapter27
... A lot has happened in the last decade, including the discovery of many planets and planetary systems beyond the solar system, measurements that suggest there may once have been life on Mars, and the strengthening of the possibility that conditions might be favorable for life on Jupiter’s satellite E ...
... A lot has happened in the last decade, including the discovery of many planets and planetary systems beyond the solar system, measurements that suggest there may once have been life on Mars, and the strengthening of the possibility that conditions might be favorable for life on Jupiter’s satellite E ...
Our Star - U of L Class Index
... Randomly bouncing photons carry it through the radiation zone Rising of hot plasma carries energy through the convection zone to photosphere ...
... Randomly bouncing photons carry it through the radiation zone Rising of hot plasma carries energy through the convection zone to photosphere ...
UNIT VIII/B: THE EARTH IN SPACE – STARS AND GALAXIES
... 3. Understand why light years are used to measure distances in space. a. A light-year is a unit of distance (NOT TIME!!!). It is the distance that light can travel in one year. b. Light moves at a velocity of about 300,000 km each second (in a vacuum). So in one year, it can travel about 10 trillion ...
... 3. Understand why light years are used to measure distances in space. a. A light-year is a unit of distance (NOT TIME!!!). It is the distance that light can travel in one year. b. Light moves at a velocity of about 300,000 km each second (in a vacuum). So in one year, it can travel about 10 trillion ...
PISGAH Text by Dr. Bob Hayward ASTRONOMICAL Astronomer
... of the bull, it is not actually a member of the Hyades cluster. Instead, it is what astronomers call a foreground star, one that lies in the same direction but which is closer to us. Realize that, while the celestial sphere over our heads at first glance appears to be a two-dimensional surface, it i ...
... of the bull, it is not actually a member of the Hyades cluster. Instead, it is what astronomers call a foreground star, one that lies in the same direction but which is closer to us. Realize that, while the celestial sphere over our heads at first glance appears to be a two-dimensional surface, it i ...
Astronomy 103 Announcements
... In 13,000 years, Vega, not Polaris will serve as our north star. In 26,000 years, the Earth’s axis will again point in the direction it now points, and Polaris will again be the North Star. ...
... In 13,000 years, Vega, not Polaris will serve as our north star. In 26,000 years, the Earth’s axis will again point in the direction it now points, and Polaris will again be the North Star. ...
History of astronomy
... The accuracy of Tycho's best positional measurements was +/- 1 arc minute. This was an improvement of a factor of 10 over previous observations. If the stars were closer than 3438 Astronomical Units, Tycho should have been able to measure their trigonometric parallaxes. But he found no parallax for ...
... The accuracy of Tycho's best positional measurements was +/- 1 arc minute. This was an improvement of a factor of 10 over previous observations. If the stars were closer than 3438 Astronomical Units, Tycho should have been able to measure their trigonometric parallaxes. But he found no parallax for ...
SOLAR eclipse LUNAR eclipse
... 2. What is the difference between a synodic month and a sidereal month ? * In a sidereal month, the moon makes a 360˚ orbit around Earth (with respect to a distant star). This takes 27.3 days. In a synodic month, the moon makes a 360˚ orbit of Earth, but continues on in its path to end up in the sam ...
... 2. What is the difference between a synodic month and a sidereal month ? * In a sidereal month, the moon makes a 360˚ orbit around Earth (with respect to a distant star). This takes 27.3 days. In a synodic month, the moon makes a 360˚ orbit of Earth, but continues on in its path to end up in the sam ...