isml1
... Material is mostly molecular. About 100 molecules detected. Most massive objects in the Galaxy. Masses ~ 1 million solar masses, size ~ 50 pc Typically can form thousands of low-mass stars and several high-mass stars. Example – Orion Molecular Cloud, Sagittarius, Eagle Nebula 1 pc = 3.1 1018 cm = 3. ...
... Material is mostly molecular. About 100 molecules detected. Most massive objects in the Galaxy. Masses ~ 1 million solar masses, size ~ 50 pc Typically can form thousands of low-mass stars and several high-mass stars. Example – Orion Molecular Cloud, Sagittarius, Eagle Nebula 1 pc = 3.1 1018 cm = 3. ...
phys-1600 - Dave Heppenstall
... • The heavy albeido (clouds) on Venus made it difficult to determine how fast the solid Venus rotates. • Venus rotates backwards as compared to all of the other planets. Possibly due to a collision of some kind. • There are approximately 914 craters on the surface of the planet. • In addition, there ...
... • The heavy albeido (clouds) on Venus made it difficult to determine how fast the solid Venus rotates. • Venus rotates backwards as compared to all of the other planets. Possibly due to a collision of some kind. • There are approximately 914 craters on the surface of the planet. • In addition, there ...
PPT
... CCD transport Design assumptions • — The camera’s data are carried on 25 (21?) optical fibers (one per raft) ...
... CCD transport Design assumptions • — The camera’s data are carried on 25 (21?) optical fibers (one per raft) ...
Figure 33.1: The 1m-Reflector of Hamburg Observatory
... Within the scope of my diploma thesis, supervised by Prof. Dr. Keller-Kempas on behalf of the FHTW/University of Applied Sciences Berlin and Prof. Dr. Gudrun Wolfschmidt on behalf of the University of Hamburg, I have developed a concept of preservation for the 1 m-reflector (see Fig. 33.2A) of the H ...
... Within the scope of my diploma thesis, supervised by Prof. Dr. Keller-Kempas on behalf of the FHTW/University of Applied Sciences Berlin and Prof. Dr. Gudrun Wolfschmidt on behalf of the University of Hamburg, I have developed a concept of preservation for the 1 m-reflector (see Fig. 33.2A) of the H ...
Natural Regions Near the Collinear Libration Points Ideal for Space
... the vicinity of the telescope orbit, assists in the design of mission scenarios. Quasiperiodic Lissajous trajectories are employed as a new tool to determine regions near the telescope orbit where the large formation can be relatively easily maintained. Studying these trajectories yields some insigh ...
... the vicinity of the telescope orbit, assists in the design of mission scenarios. Quasiperiodic Lissajous trajectories are employed as a new tool to determine regions near the telescope orbit where the large formation can be relatively easily maintained. Studying these trajectories yields some insigh ...
Star evolution - El Camino College
... What’s different for low mass & high mass? Which elements get made in low & high? What’s special about iron? Degeneracy pressure (electron & neutron) – What, where, why ...
... What’s different for low mass & high mass? Which elements get made in low & high? What’s special about iron? Degeneracy pressure (electron & neutron) – What, where, why ...
L11
... The evolution of massive stars have the following general characteristics and differences to lower mass evolution 1. The electrons in their cores do not become degenerate until the final burning stages, when iron core is reached 2. Mass-loss plays an important role in the entire evolution (we will c ...
... The evolution of massive stars have the following general characteristics and differences to lower mass evolution 1. The electrons in their cores do not become degenerate until the final burning stages, when iron core is reached 2. Mass-loss plays an important role in the entire evolution (we will c ...
Name Section
... the right side of the diagram compare to the wavelengths of light from the left side? The waves are the same length. spread of waves over time b) The same light source now moves to the right as shown in the diagram. Although the light source still emits waves uniformly in all directions, motion of t ...
... the right side of the diagram compare to the wavelengths of light from the left side? The waves are the same length. spread of waves over time b) The same light source now moves to the right as shown in the diagram. Although the light source still emits waves uniformly in all directions, motion of t ...
Digging Deeper - subfreshmanhomework2016-2017
... The celestial coordinate system uses declination (dec) to measure how far north or south an object is from the celestial equator. Declination is similar to latitude. It is measured in degrees. The celestial equator has a declination of zero degrees. Objects north of the celestial equator have a posi ...
... The celestial coordinate system uses declination (dec) to measure how far north or south an object is from the celestial equator. Declination is similar to latitude. It is measured in degrees. The celestial equator has a declination of zero degrees. Objects north of the celestial equator have a posi ...
Space Information Booklet
... Jupiter is the fifth planet from the sun and is about 770 million km from it. It takes almost twelve years for Jupiter to orbit the sun. It spins in less than 10 hours. For that reason its middle has been stretched out. Rather than round it is short and fat. This rapid spinning causes powerful winds ...
... Jupiter is the fifth planet from the sun and is about 770 million km from it. It takes almost twelve years for Jupiter to orbit the sun. It spins in less than 10 hours. For that reason its middle has been stretched out. Rather than round it is short and fat. This rapid spinning causes powerful winds ...
Absolute Magnitudes of Supernovae
... Ia supernovae occurring in distant galaxies. Background - During a three-week period in 1997, the Hubble Space Telescope was used to observe a supernova - an exploding star in a distant galaxy. These exploding stars appear suddenly, as they increase rapidly in brightness, and then fade slowly over w ...
... Ia supernovae occurring in distant galaxies. Background - During a three-week period in 1997, the Hubble Space Telescope was used to observe a supernova - an exploding star in a distant galaxy. These exploding stars appear suddenly, as they increase rapidly in brightness, and then fade slowly over w ...
Lecture 10-11 - OSU Astronomy
... the second excited state (n=2). B Stars (11-30,000 K): Most of H is ionized, so only very weak H lines. A Stars (7500-11,000 K): Ideal excitation conditions, strongest H lines. G Stars (5200-5900 K): Too cool, little excited H, so only weak H lines. ...
... the second excited state (n=2). B Stars (11-30,000 K): Most of H is ionized, so only very weak H lines. A Stars (7500-11,000 K): Ideal excitation conditions, strongest H lines. G Stars (5200-5900 K): Too cool, little excited H, so only weak H lines. ...
Proxima
... “red giant” with a surface temperature of 3330K. What is a red giant? A red giant is a star that expands and cools once it runs out of hydrogen fuel. These stars are not as red to our eyes as they are orange. Red Giant http://foxd3sign.deviantart.com/ar t/RED-GIANT-001-164580656 ...
... “red giant” with a surface temperature of 3330K. What is a red giant? A red giant is a star that expands and cools once it runs out of hydrogen fuel. These stars are not as red to our eyes as they are orange. Red Giant http://foxd3sign.deviantart.com/ar t/RED-GIANT-001-164580656 ...
ACTIVITIES for Grades 3-5 (Continued)
... Class Discussion: Solar System Review with students the structure of the Solar System. Ask them: • What is at the center of the solar system? Answer: The Sun, our star, is at the center of the Solar System. What types of planets are there and where are they found? Answer: There are four inner, rocky ...
... Class Discussion: Solar System Review with students the structure of the Solar System. Ask them: • What is at the center of the solar system? Answer: The Sun, our star, is at the center of the Solar System. What types of planets are there and where are they found? Answer: There are four inner, rocky ...
114EQ-ASTR
... of hours (hr), minutes (min), and seconds (sec) on a 24 hour "clock" (similar to how Earth's time zones ar determined by longitude lines). The "zero" line was chosen to pass through the constellation Pegasus, a sort of cosmic Greenwich meridian. R.A. coordinates range from 0hr 0min 0sec to 23hr 59mi ...
... of hours (hr), minutes (min), and seconds (sec) on a 24 hour "clock" (similar to how Earth's time zones ar determined by longitude lines). The "zero" line was chosen to pass through the constellation Pegasus, a sort of cosmic Greenwich meridian. R.A. coordinates range from 0hr 0min 0sec to 23hr 59mi ...
Spectral Classification
... B stars are extremely luminous and blue. As O and B stars are so powerful, they live for a very short time. They do not stray far from the area in which they were formed as they don't have the time. They therefore tend to cluster together in what we call OB1 associations. and contains all of the con ...
... B stars are extremely luminous and blue. As O and B stars are so powerful, they live for a very short time. They do not stray far from the area in which they were formed as they don't have the time. They therefore tend to cluster together in what we call OB1 associations. and contains all of the con ...
The mystery of cosmic oceans and dunes Earth
... augmented, making it possible to simulate the planetary bodies likely to form and their characteristics. However until this study nobody had modelled how the change in luminosity of M stars might affect the surface water content of planets in the habitable zone. Planetary observations As well as sim ...
... augmented, making it possible to simulate the planetary bodies likely to form and their characteristics. However until this study nobody had modelled how the change in luminosity of M stars might affect the surface water content of planets in the habitable zone. Planetary observations As well as sim ...
Dynamical models of the nucleus of M31
... • vector resonant relaxation in the Galactic center is much faster than two-body relaxation or scalar resonant relaxation • much of the region within ~ 1 pc of the Galactic center is likely to be in thermodynamic equilibrium under resonant relaxation (details depend on age of stars) • vector resonan ...
... • vector resonant relaxation in the Galactic center is much faster than two-body relaxation or scalar resonant relaxation • much of the region within ~ 1 pc of the Galactic center is likely to be in thermodynamic equilibrium under resonant relaxation (details depend on age of stars) • vector resonan ...
More on Stars and the Sky
... Why does the Sun appear to move in the sky with respect to Stars? Can you see the Sun’s annual movement in the sky? Given an example. Why don’t we ever see the planets near the celestial poles? What is the Zodiac? How is it different from the Elliptic? What are the Zodiac ...
... Why does the Sun appear to move in the sky with respect to Stars? Can you see the Sun’s annual movement in the sky? Given an example. Why don’t we ever see the planets near the celestial poles? What is the Zodiac? How is it different from the Elliptic? What are the Zodiac ...
“extras” available for your scope?
... The OIII is a narrow bandpass filter that transmits a range of light near the two strong spectral lines of doubly ionized oxygen (designated OIII) while blocking all other light. An OIII filter works best for emission and planetary nebulae. This filter, coupled with an 8-inch or larger telescope und ...
... The OIII is a narrow bandpass filter that transmits a range of light near the two strong spectral lines of doubly ionized oxygen (designated OIII) while blocking all other light. An OIII filter works best for emission and planetary nebulae. This filter, coupled with an 8-inch or larger telescope und ...
3.1 Introduction
... Trivially, the Saha equation tells us that atoms with low ionisation potentials will be relatively more ionised at any given temperature than atoms of higher ionisation potentials. For the common chemical elements, He and Ne are the hardest to ionise (χ0 > 20 eV), H, C, N, O are the next (20 eV > χ0 ...
... Trivially, the Saha equation tells us that atoms with low ionisation potentials will be relatively more ionised at any given temperature than atoms of higher ionisation potentials. For the common chemical elements, He and Ne are the hardest to ionise (χ0 > 20 eV), H, C, N, O are the next (20 eV > χ0 ...
Lecture - Ann Arbor Earth Science
... universe. Galaxies tend to collect into superclusters surrounded by large voids. 10 million of these superclusters may exist. ...
... universe. Galaxies tend to collect into superclusters surrounded by large voids. 10 million of these superclusters may exist. ...
International Ultraviolet Explorer
The International Ultraviolet Explorer (IUE) was an astronomical observatory satellite primarily designed to take ultraviolet spectra. The satellite was a collaborative project between NASA, the UK Science Research Council and the European Space Agency (ESA). The mission was first proposed in early 1964, by a group of scientists in the United Kingdom, and was launched on January 26, 1978 aboard a NASA Delta rocket. The mission lifetime was initially set for 3 years, but in the end it lasted almost 18 years, with the satellite being shut down in 1996. The switch-off occurred for financial reasons, while the telescope was still functioning at near original efficiency.It was the first space observatory to be operated in real time by astronomers who visited the groundstations in the United States and Europe. Astronomers made over 104,000 observations using the IUE, of objects ranging from solar system bodies to distant quasars. Among the significant scientific results from IUE data were the first large scale studies of stellar winds, accurate measurements of the way interstellar dust absorbs light, and measurements of the supernova SN1987A which showed that it defied stellar evolution theories as they then stood. When the mission ended, it was considered the most successful astronomical satellite ever.