Lecture 3 notes - Department of Physics and Astronomy
... been detected using indirect methods Some binary star systems contain a black hole In such a system, gases captured from the companion star by the black hole emit detectable X ...
... been detected using indirect methods Some binary star systems contain a black hole In such a system, gases captured from the companion star by the black hole emit detectable X ...
Naked-eye astronomy
... • It is tilted about 23½° away from the perpendicular & is called the obliquity. • The Earth maintains this tilt as it orbits the Sun, with the Earth’s north pole pointing toward the north celestial pole ...
... • It is tilted about 23½° away from the perpendicular & is called the obliquity. • The Earth maintains this tilt as it orbits the Sun, with the Earth’s north pole pointing toward the north celestial pole ...
Astro history 1
... • With no street lights and no alarm clocks… • The Night sky was a great glowing question… • Who are we? (no answer yet?) • Why are we here (not clear on that one either…?) • Where are we? • Humans have been working on that one for a long time! ...
... • With no street lights and no alarm clocks… • The Night sky was a great glowing question… • Who are we? (no answer yet?) • Why are we here (not clear on that one either…?) • Where are we? • Humans have been working on that one for a long time! ...
Hertzsprung-Russell Diagram Astronomy Project Purpose: To
... Requirements: For each star that is chosen, the following must be completed along with it. Example: if you work in groups of 3, then you will have three sets of data for each of the stars you chose. 1.) Determine the stars temperature in Celsius and Kelvin 2.) With the provided formula, determine th ...
... Requirements: For each star that is chosen, the following must be completed along with it. Example: if you work in groups of 3, then you will have three sets of data for each of the stars you chose. 1.) Determine the stars temperature in Celsius and Kelvin 2.) With the provided formula, determine th ...
Stellar Evolution
... • Gravity pulls a nebula’s dust and gas into a denser cloud • As a nebula heats up, it contracts • A contracting cloud of dust with enough mass to form a star ...
... • Gravity pulls a nebula’s dust and gas into a denser cloud • As a nebula heats up, it contracts • A contracting cloud of dust with enough mass to form a star ...
E3 STELLAR DISTANCES E4 COSMOLOGY
... A main sequence star emits most of its energy at λ = 2.4 x 10-7 m. Its apparent brightness is measure at 4.3 x 10-9 W m-2. How far away is the star? [28 pc] ...
... A main sequence star emits most of its energy at λ = 2.4 x 10-7 m. Its apparent brightness is measure at 4.3 x 10-9 W m-2. How far away is the star? [28 pc] ...
Steve Holmes - KWFN October 22 2012 speaker
... Many celestial objects photograph well, but supernovae are among the most breathtaking. A supernova is the end-of-life explosion of a large star. This explosion occurs within a matter of seconds, and appears as a major brightening that fades out over several weeks or months. The event sends out a hi ...
... Many celestial objects photograph well, but supernovae are among the most breathtaking. A supernova is the end-of-life explosion of a large star. This explosion occurs within a matter of seconds, and appears as a major brightening that fades out over several weeks or months. The event sends out a hi ...
Scale of the Universe in space, time, and motion
... neighbor star which could fit in a room, say with a length of 5 m, what would be the diameter of the Sun? Of the Earth? • How long does it take light to travel from the Sun to the Earth? • Find Earth’s rotational speed at the equator from the Earth’s diameter and the length of a day. • Starting at E ...
... neighbor star which could fit in a room, say with a length of 5 m, what would be the diameter of the Sun? Of the Earth? • How long does it take light to travel from the Sun to the Earth? • Find Earth’s rotational speed at the equator from the Earth’s diameter and the length of a day. • Starting at E ...
PowerPoint
... Basin) Mile-high cliffs (Discovery Scarp) Early shrinkage of crust no geological activity at present Interior is solid to a significant depth Density comparable to Earth’s, but weak magnetic field - Iron core, few silicates in crust - Cataclysmic impact early in history? ...
... Basin) Mile-high cliffs (Discovery Scarp) Early shrinkage of crust no geological activity at present Interior is solid to a significant depth Density comparable to Earth’s, but weak magnetic field - Iron core, few silicates in crust - Cataclysmic impact early in history? ...
A History of Astronomy, Astrophysics and Cosmology
... the details of the motions of the planets, such as the retrograde motion seen in Figure 1. Ptolemy himself stated that uniform circular motion was the only kind of motion ‘in agreement with the nature of Divine Beings’. Therefore, it was supposed that, in addition to their circular orbits about the ...
... the details of the motions of the planets, such as the retrograde motion seen in Figure 1. Ptolemy himself stated that uniform circular motion was the only kind of motion ‘in agreement with the nature of Divine Beings’. Therefore, it was supposed that, in addition to their circular orbits about the ...
constellation - Bucks-Mont Astronomical Association
... of background stars. In the infrared, though, the gas glows brilliantly as it forms new stars inside. Combined near-infrared and visible light observations, such as those taken by the Hubble Space Telescope, can reveal the structure of the clouds as well as the young stars inside. In the Chameleon c ...
... of background stars. In the infrared, though, the gas glows brilliantly as it forms new stars inside. Combined near-infrared and visible light observations, such as those taken by the Hubble Space Telescope, can reveal the structure of the clouds as well as the young stars inside. In the Chameleon c ...
"WITH THE STARS" i - Royal Astronomical Society of Canada
... nearest star requires more than 4 years for the Sun, Venus receives about twice as much light trip. Most stars seen with the unaided eye and heat as we do. are upwards of 100 "light years" distant, and Next'beyond Earth is Mars. With an average the telescope reveals objects so far off that distance ...
... nearest star requires more than 4 years for the Sun, Venus receives about twice as much light trip. Most stars seen with the unaided eye and heat as we do. are upwards of 100 "light years" distant, and Next'beyond Earth is Mars. With an average the telescope reveals objects so far off that distance ...
Units
... Discovered April 6 by NASA's Chandra X-ray Observatory, the swirling, 10 million-mile- wide cosmic dust cloud has been likened to an "acid nebula" and is hurtling toward us at close to the speed of light -- making its estimated time of arrival 9:15 a.m. EDT on June 1, 2014. The bad news is that the ...
... Discovered April 6 by NASA's Chandra X-ray Observatory, the swirling, 10 million-mile- wide cosmic dust cloud has been likened to an "acid nebula" and is hurtling toward us at close to the speed of light -- making its estimated time of arrival 9:15 a.m. EDT on June 1, 2014. The bad news is that the ...
The Pulsar “Lighthouse”
... • Degenerate pressure of neutrons can support stars only up to 3M • For M > 3M: Further collapse Î black hole • Mass is so concentrated that light cannot escape. • One way to think about it: – vescape = 2GM/R becomes greater than speed of light. – So photons can’t escape. • Black holes now known o ...
... • Degenerate pressure of neutrons can support stars only up to 3M • For M > 3M: Further collapse Î black hole • Mass is so concentrated that light cannot escape. • One way to think about it: – vescape = 2GM/R becomes greater than speed of light. – So photons can’t escape. • Black holes now known o ...
Theme 5: The Rise of the Telescope:
... Tycho’s observations that the parallax of Mars is actually not more than 1' or 2', so the Sun’s is 1' at most: this was the first real revision of the Greek estimates. (In India around AD 500, Āryabhaṭa estimated 5500 Earth radii, much better though still far too small; but the Indian theories had ...
... Tycho’s observations that the parallax of Mars is actually not more than 1' or 2', so the Sun’s is 1' at most: this was the first real revision of the Greek estimates. (In India around AD 500, Āryabhaṭa estimated 5500 Earth radii, much better though still far too small; but the Indian theories had ...
Study Guide for 1ST Astronomy Exam
... Draw and label the celestial sphere for an observer at any latitude, Draw the apparent motion of stars as seen by any observer looking North, East, South or West at any location in the northern hemisphere. Define a constellation and distinguish it from an asterism, Use celestial coordinates ...
... Draw and label the celestial sphere for an observer at any latitude, Draw the apparent motion of stars as seen by any observer looking North, East, South or West at any location in the northern hemisphere. Define a constellation and distinguish it from an asterism, Use celestial coordinates ...
angular measure - Empyrean Quest Publishers
... – a collection of ideas that seems to explain a phenomenon Model – hypotheses that have withstood observational or experimental tests Theory – a body of related hypotheses can be pieced together into a self consistent description of nature Laws of Physics – theories that accurately describe th ...
... – a collection of ideas that seems to explain a phenomenon Model – hypotheses that have withstood observational or experimental tests Theory – a body of related hypotheses can be pieced together into a self consistent description of nature Laws of Physics – theories that accurately describe th ...
The Night Sky
... As promised in last month’s article, the world did not end on December 21, 2012. As the year 2013 begins, the earth passes through perihelion on January 2nd, its closest point to the sun in its elliptical orbit. On this date, it is 3% closer to the sun as compared to its farthest point, or aphelion, ...
... As promised in last month’s article, the world did not end on December 21, 2012. As the year 2013 begins, the earth passes through perihelion on January 2nd, its closest point to the sun in its elliptical orbit. On this date, it is 3% closer to the sun as compared to its farthest point, or aphelion, ...
Sparta High School
... 5.1 Science Practices: All students will understand that science is both a body of knowledge and an evidence-based, model-building enterprise that continually extends, refines, and revises knowledge. The four Science Practices strands encompass the knowledge and reasoning skills that students must a ...
... 5.1 Science Practices: All students will understand that science is both a body of knowledge and an evidence-based, model-building enterprise that continually extends, refines, and revises knowledge. The four Science Practices strands encompass the knowledge and reasoning skills that students must a ...
Coordinate System Notes 3 - School District of La Crosse
... A. Egyptians- divided the sky into rgions conatining distinct star groups. 1. Given names and stories so they wopuld be remembered. B, Constellations are areas which have stars in particular arrangements. 1, No meaning to the arrangement except through imagaination 2. Many are associated with Greek ...
... A. Egyptians- divided the sky into rgions conatining distinct star groups. 1. Given names and stories so they wopuld be remembered. B, Constellations are areas which have stars in particular arrangements. 1, No meaning to the arrangement except through imagaination 2. Many are associated with Greek ...
Rosette Nebula - Westchester Amateur Astronomers
... Top row, left: H1 strain. Top row, right: L1 strain. GW150914 arrived first at L1 and 6.9 (+0.5/-0.4) ms later at H1; for a visual comparison, the H1 data are also shown, shifted in time by this amount and inverted (to account for the detectors’ relative orientations). Second row: Gravitational-wave ...
... Top row, left: H1 strain. Top row, right: L1 strain. GW150914 arrived first at L1 and 6.9 (+0.5/-0.4) ms later at H1; for a visual comparison, the H1 data are also shown, shifted in time by this amount and inverted (to account for the detectors’ relative orientations). Second row: Gravitational-wave ...