1 Ay 124 Winter 2014 – HOMEWORK #3
... Due Friday, Feb 14, 2014 by 5pm, in Steidel’s mailbox in 249 Cahill Problem 1 The nearest spiral galaxy to the Milky Way, M31, has a very concentrated nucleus. At a projected radius of 1 arcsec, stars in the nucleus have a line of sight velocity dispersion of 150 km s−1 , and are also rotating about ...
... Due Friday, Feb 14, 2014 by 5pm, in Steidel’s mailbox in 249 Cahill Problem 1 The nearest spiral galaxy to the Milky Way, M31, has a very concentrated nucleus. At a projected radius of 1 arcsec, stars in the nucleus have a line of sight velocity dispersion of 150 km s−1 , and are also rotating about ...
Phys133 Sample MidTerm #2 Covers Chs.10
... D) the instant when hydrogen fusion first begins in the star's core E) when the rate of hydrogen fusion within the star's core is high enough to sustain gravitational equilibrium ...
... D) the instant when hydrogen fusion first begins in the star's core E) when the rate of hydrogen fusion within the star's core is high enough to sustain gravitational equilibrium ...
File - SOCIAL SCIENCE
... - Celestial bodies: the objects we can see in the sky are called celestial bodies. They are luminous and nonluminous. ...
... - Celestial bodies: the objects we can see in the sky are called celestial bodies. They are luminous and nonluminous. ...
13.14 The Eight Planets
... night sky because of its size and the large amount of light reflected by its clouds. Jupiter’s most interesting features are its coloured bands and the Great Red Spot. Jupiter has approximately 16 moons, and sometimes you can see four of these moons by using binoculars. ...
... night sky because of its size and the large amount of light reflected by its clouds. Jupiter’s most interesting features are its coloured bands and the Great Red Spot. Jupiter has approximately 16 moons, and sometimes you can see four of these moons by using binoculars. ...
Our Universe
... between the orbit of Earth and the Moon. Neither would have been large enough to cause large scale damage. The majority of these asteroids would burn up while entering our atmosphere. ...
... between the orbit of Earth and the Moon. Neither would have been large enough to cause large scale damage. The majority of these asteroids would burn up while entering our atmosphere. ...
Biblical Astrophysics - The Call of the Bride
... close encounter with Mars sometime around early October, ISON's path and eventual orbit will be hard to predict accurately. If it's large enough, it could even change the orbit of Mars or capture Mar's moons. Scientists are also speculating that ISON too was recently nudged out of the Oort cloud. (A ...
... close encounter with Mars sometime around early October, ISON's path and eventual orbit will be hard to predict accurately. If it's large enough, it could even change the orbit of Mars or capture Mar's moons. Scientists are also speculating that ISON too was recently nudged out of the Oort cloud. (A ...
Handout Life of Stars
... A star begins its life as a cloud of dust and gas (mainly hydrogen) known as a nebula. A protostar is formed when gravity causes the dust and gas of a nebula to clump together in a process called accretion. As gravity continues to pull ever more matter inward towards the core, its temperature, press ...
... A star begins its life as a cloud of dust and gas (mainly hydrogen) known as a nebula. A protostar is formed when gravity causes the dust and gas of a nebula to clump together in a process called accretion. As gravity continues to pull ever more matter inward towards the core, its temperature, press ...
The Origin of the Solar System
... All stars have gone through basically the same formation process as the sun. → Many stars should have planets! → planets orbiting around other stars = “Extrasolar planets” ...
... All stars have gone through basically the same formation process as the sun. → Many stars should have planets! → planets orbiting around other stars = “Extrasolar planets” ...
The History of Astronomy
... Copernicus proposed a simple heliocentric system with circular orbits • The planets orbit in the right order (though without Uranus and Neptune). • He even got the relative distances from the sun correct (see chart on page 49). • Moon orbits Earth ...
... Copernicus proposed a simple heliocentric system with circular orbits • The planets orbit in the right order (though without Uranus and Neptune). • He even got the relative distances from the sun correct (see chart on page 49). • Moon orbits Earth ...
The North Star
... The North Star is the brightest star in the constellation Ursa Minor. The star is about two times brighter then what it was when Ptolemy (a roman citizen of Greek) looked at it. ...
... The North Star is the brightest star in the constellation Ursa Minor. The star is about two times brighter then what it was when Ptolemy (a roman citizen of Greek) looked at it. ...
docx - STAO
... When you gaze up in the night sky some stars will be very bright while other stars are barely visible to the unaided eye. With the aid of binoculars you may be able to observe different colours in the stars. The brightness and colour of a star depends on three factors: temperature, distance, and siz ...
... When you gaze up in the night sky some stars will be very bright while other stars are barely visible to the unaided eye. With the aid of binoculars you may be able to observe different colours in the stars. The brightness and colour of a star depends on three factors: temperature, distance, and siz ...
Reading the Stars
... 1. Examine color-magnitude diagrams of clusters of stars. Since a cluster of stars is a group of stars that were formed at the same time from the same cloud of gas and dust, we can learn a lot about the stars within that cluster. A color-magnitude diagram is a kind of H-R Diagram. The horizontal axi ...
... 1. Examine color-magnitude diagrams of clusters of stars. Since a cluster of stars is a group of stars that were formed at the same time from the same cloud of gas and dust, we can learn a lot about the stars within that cluster. A color-magnitude diagram is a kind of H-R Diagram. The horizontal axi ...
Physics 1025: Lecture 17 Sun (cont.), Stellar Distances, Parallax
... the wavelength shift from the unshifted line λ. The star’s light will be blue-shifted if the star approaches earth. (Note in the case of an expanding nebula like the Crab Nebula, we assume it expands equally in all directions (i.e. spherically) and set VR= VT and can solve for the distance R to the ...
... the wavelength shift from the unshifted line λ. The star’s light will be blue-shifted if the star approaches earth. (Note in the case of an expanding nebula like the Crab Nebula, we assume it expands equally in all directions (i.e. spherically) and set VR= VT and can solve for the distance R to the ...
BrainPOP - The Science Spot
... 4. A red giant star has a _____________ that has cooled and glows red. It burns helium and fuses it into heavier _____________. Since these reactions are not as powerful as burning hydrogen, the star starts to _____________ after about 10 __________ years. 5. What happens after this point depends on ...
... 4. A red giant star has a _____________ that has cooled and glows red. It burns helium and fuses it into heavier _____________. Since these reactions are not as powerful as burning hydrogen, the star starts to _____________ after about 10 __________ years. 5. What happens after this point depends on ...
Lec6
... those that have finished fusing H to He in their cores are no longer on the main sequence • All stars become larger and redder after exhausting their core hydrogen: giants and ...
... those that have finished fusing H to He in their cores are no longer on the main sequence • All stars become larger and redder after exhausting their core hydrogen: giants and ...
Forecasting Tools and Techniques
... The Capricorn Ingress chart marks a very significant aspect (as do all equinox and solstice charts) between the Sun and Earth. Using an astro-locality map, we can identify places that have important points and planets angular, significant parans, etc. Then, we can examine the chart cast for those lo ...
... The Capricorn Ingress chart marks a very significant aspect (as do all equinox and solstice charts) between the Sun and Earth. Using an astro-locality map, we can identify places that have important points and planets angular, significant parans, etc. Then, we can examine the chart cast for those lo ...
Antares - Emmi
... used to measure incredibly hot objects or stars Kelvin is 272 degrees Celsius) Even though Antares is much colder it is brighter because it is much larger ...
... used to measure incredibly hot objects or stars Kelvin is 272 degrees Celsius) Even though Antares is much colder it is brighter because it is much larger ...
Basic Observations of the Night Sky
... • In winter, we are tilted away – lower height to the Sun and shorter days ...
... • In winter, we are tilted away – lower height to the Sun and shorter days ...
Aquarius (constellation)
Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces. Its name is Latin for ""water-carrier"" or ""cup-carrier"", and its symbol is 20px (Unicode ♒), a representation of water.Aquarius is one of the oldest of the recognized constellations along the zodiac (the sun's apparent path). It was one of the 48 constellations listed by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations. It is found in a region often called the Sea due to its profusion of constellations with watery associations such as Cetus the whale, Pisces the fish, and Eridanus the river.