The Warrumbungle Observer The Warrumbungle Observer
... Scorpio named Antares. This is quite obvious after a couple of glasses of wine. However for those ‘off the wagon’ it resembles more like a teapot with the arrow being the spout. The teapot is located on the galactic centre and is a treasure-trove of goodies for those who own a telescope. The teapot ...
... Scorpio named Antares. This is quite obvious after a couple of glasses of wine. However for those ‘off the wagon’ it resembles more like a teapot with the arrow being the spout. The teapot is located on the galactic centre and is a treasure-trove of goodies for those who own a telescope. The teapot ...
Astronomy
... 34. ________ The imaginary line around the sky directly above Earth’s equator. 35. ________ The point on the sky directly above the observer. 36. ________ The circular boundary between the sky and Earth. 37. ________ An imaginary sphere surrounding the Earth to which the celestial objects seem to be ...
... 34. ________ The imaginary line around the sky directly above Earth’s equator. 35. ________ The point on the sky directly above the observer. 36. ________ The circular boundary between the sky and Earth. 37. ________ An imaginary sphere surrounding the Earth to which the celestial objects seem to be ...
Universe 8e Lecture Chapter 17 Nature of Stars
... Late Evolution of Low-Mass Stars: A star of moderately low mass (about 0.4 M to about 4 M) becomes a red giant when shell hydrogen fusion begins, a horizontal-branch star when core helium fusion begins, and an asymptotic giant branch (AGB) star when the helium in the core is exhausted and shell he ...
... Late Evolution of Low-Mass Stars: A star of moderately low mass (about 0.4 M to about 4 M) becomes a red giant when shell hydrogen fusion begins, a horizontal-branch star when core helium fusion begins, and an asymptotic giant branch (AGB) star when the helium in the core is exhausted and shell he ...
star guide 2013
... An asteroid is a small rocky or metallic body in orbit around the Sun. Most are located between the orbits of Mars and Jupiter and are known as main-belt asteroids. Asteroid Ceres, at nearly 1,000km across, was reclassified in 2006 as a dwarf planet. The remaining asteroids are significantly smaller ...
... An asteroid is a small rocky or metallic body in orbit around the Sun. Most are located between the orbits of Mars and Jupiter and are known as main-belt asteroids. Asteroid Ceres, at nearly 1,000km across, was reclassified in 2006 as a dwarf planet. The remaining asteroids are significantly smaller ...
The Scales of Things
... A certain absorption line that is found at 5000Å in the lab is found at 5050Å when analyzing the spectrum of a particular galaxy. We then conclude that this galaxy is moving with a velocity v = (50/5000) * c = 3000 km/sec away from us. Putting it altogether now, if the object is moving away from us ...
... A certain absorption line that is found at 5000Å in the lab is found at 5050Å when analyzing the spectrum of a particular galaxy. We then conclude that this galaxy is moving with a velocity v = (50/5000) * c = 3000 km/sec away from us. Putting it altogether now, if the object is moving away from us ...
The Sun and the Solar System
... If you draw lines from your eye to each of two stars, the angle between the lines is the angular distance between the two stars. Note: here we refer to the distance projected to the surface of an imaginary celestial sphere centered at the observer, as if the two objects were in this same spherical s ...
... If you draw lines from your eye to each of two stars, the angle between the lines is the angular distance between the two stars. Note: here we refer to the distance projected to the surface of an imaginary celestial sphere centered at the observer, as if the two objects were in this same spherical s ...
The Interstellar Medium Chapter 10
... Note that the following lectures include animations and PowerPoint effects such as ...
... Note that the following lectures include animations and PowerPoint effects such as ...
Obliquity and precession of the equinoxes The angle ε between the
... used the heliacal rising of Sirius to time the beginning of their year. In all these cases, the year was found empirically. As astronomical knowledge improved, it became possible to identify more accurately not only how long the year was, but what phenomena controlled its passing. As the year was ty ...
... used the heliacal rising of Sirius to time the beginning of their year. In all these cases, the year was found empirically. As astronomical knowledge improved, it became possible to identify more accurately not only how long the year was, but what phenomena controlled its passing. As the year was ty ...
chapter 2 - Test Bank, Manual Solution, Solution Manual
... 16. How Do We Know? – Evidence is reality, and scientists constantly check their ideas against reality. It is a characteristic of scientific knowledge that it is supported by evidence. A scientific statement is more than an opinion or a speculation because it has been tested objectively against real ...
... 16. How Do We Know? – Evidence is reality, and scientists constantly check their ideas against reality. It is a characteristic of scientific knowledge that it is supported by evidence. A scientific statement is more than an opinion or a speculation because it has been tested objectively against real ...
Colorado Model Solar System
... The Colorado Scale Model Solar System is on a scale of 1 to 10 billion (101 0)!!! That is, for every meter (or foot) in the scale model, there are 10 billion meters (or feet) in the real solar system. Note: A review of scientific notation can be found on page 15 of this manual. All of the sizes of t ...
... The Colorado Scale Model Solar System is on a scale of 1 to 10 billion (101 0)!!! That is, for every meter (or foot) in the scale model, there are 10 billion meters (or feet) in the real solar system. Note: A review of scientific notation can be found on page 15 of this manual. All of the sizes of t ...
The History of Astronomy
... • An 8 arc-minute discrepancy (about 13% of one degree) led him eventually to ellipses. • Developed 3 “laws” of orbits ...
... • An 8 arc-minute discrepancy (about 13% of one degree) led him eventually to ellipses. • Developed 3 “laws” of orbits ...
Hungry Young Stars: A New Explanation for the FU Ori Outbursts
... • We provide an explanation for the origin of FU Ori bursts. • A young star devours embryos that form in the disk, resulting in colossal bursts of luminosity. This process repeats as long as nebular material rains onto the disk. • The new feature in our model is the self-consistent formation and evo ...
... • We provide an explanation for the origin of FU Ori bursts. • A young star devours embryos that form in the disk, resulting in colossal bursts of luminosity. This process repeats as long as nebular material rains onto the disk. • The new feature in our model is the self-consistent formation and evo ...
dtu7ech01 - Fort Thomas Independent Schools
... Astronomers describe the universe as an imaginary sphere surrounding the earth on which all objects in the sky can be located, called the CELESTIAL SPHERE. As viewed from Earth, the celestial sphere appears to rotate around two axis points, the north and south celestial poles, which are located d ...
... Astronomers describe the universe as an imaginary sphere surrounding the earth on which all objects in the sky can be located, called the CELESTIAL SPHERE. As viewed from Earth, the celestial sphere appears to rotate around two axis points, the north and south celestial poles, which are located d ...
The Celestial Sphere
... The diurnal path or the daily path of a star is a circle parallel to the celestial equator. Whether you can see a star or not depends on two things. First of all, the star must be above the horizon, and secondly it must be night. At any given place on the Earth, the celestial sphere consists of thr ...
... The diurnal path or the daily path of a star is a circle parallel to the celestial equator. Whether you can see a star or not depends on two things. First of all, the star must be above the horizon, and secondly it must be night. At any given place on the Earth, the celestial sphere consists of thr ...
Document
... Sun slowly creeps along the ecliptic, about a degree a day. • We’ll come back to this when we look at why we have seasons (outside of California). For now, let’s take a break from Celestial Spheres and consider the Phases of the Moon… ...
... Sun slowly creeps along the ecliptic, about a degree a day. • We’ll come back to this when we look at why we have seasons (outside of California). For now, let’s take a break from Celestial Spheres and consider the Phases of the Moon… ...
Starspots (AIP – Klaus G
... determination of chemical abundances and isotope ratios is a fundamental building block of our knowledge about stellar nucleosynthesis and the chemical evolution of the Galaxy. The detection of 6Li in solar-metallicity stars might indicate the existence of an extrasolar planetary system, part of whi ...
... determination of chemical abundances and isotope ratios is a fundamental building block of our knowledge about stellar nucleosynthesis and the chemical evolution of the Galaxy. The detection of 6Li in solar-metallicity stars might indicate the existence of an extrasolar planetary system, part of whi ...
Writer`s Workshop Series The Art of Science Fiction - Sci Fi
... plus and minus degrees, right ascension is measured in units of time: minutes, hours, and seconds. “Huh?” you ask. Strange, but true, I’m afraid. As previously noted, the Earth spins on its axis once each 24 hours. It is, therefore, an excellent timepiece. In fact, what is a clock other than a mecha ...
... plus and minus degrees, right ascension is measured in units of time: minutes, hours, and seconds. “Huh?” you ask. Strange, but true, I’m afraid. As previously noted, the Earth spins on its axis once each 24 hours. It is, therefore, an excellent timepiece. In fact, what is a clock other than a mecha ...
Astronomy Club
... attenuated by dust or gas on its journey, a "weakly interacting particle". Neutrinos are the best candidate. They are neutral, weakly interacting particles and come to the detector without any disruption, straight from their source. It is doubtless that we will get a wonderful view of the universe i ...
... attenuated by dust or gas on its journey, a "weakly interacting particle". Neutrinos are the best candidate. They are neutral, weakly interacting particles and come to the detector without any disruption, straight from their source. It is doubtless that we will get a wonderful view of the universe i ...
Stellar Evolution: the Death of Stars
... • Helium shell contracts and ignites helium flash • Helium flash creates a strong thermal pulse, which ejects a shell of material into space • Thermal pulse through helium flash can occur several times • Eventually, the entire shell of an AGB star is shed away and becomes nebula ...
... • Helium shell contracts and ignites helium flash • Helium flash creates a strong thermal pulse, which ejects a shell of material into space • Thermal pulse through helium flash can occur several times • Eventually, the entire shell of an AGB star is shed away and becomes nebula ...