Solutions to the 1 st Astronomy Exam
... points, which is called the meridian. The observer is also experiencing local noon. If the Sun were not there, the observer would also see the star on the meridian. Now as time goes on, the Earth moves in its orbit and it rotates from west to east (both motions are counterclockwise if viewed from ab ...
... points, which is called the meridian. The observer is also experiencing local noon. If the Sun were not there, the observer would also see the star on the meridian. Now as time goes on, the Earth moves in its orbit and it rotates from west to east (both motions are counterclockwise if viewed from ab ...
AST 443/PHY 517 Homework 1
... 4. Which of these 5 stars can be observed at some time on this night from Cerro Tololo? At what times? 5. Which of these 5 stars is closest to the moon? What is the angular distance? 6. The sidereal time at midnight advances by 3m 56s each day. What are the best days to observe these targets? 7. Wha ...
... 4. Which of these 5 stars can be observed at some time on this night from Cerro Tololo? At what times? 5. Which of these 5 stars is closest to the moon? What is the angular distance? 6. The sidereal time at midnight advances by 3m 56s each day. What are the best days to observe these targets? 7. Wha ...
Test - Scioly.org
... D. Secondary Minimum E. Orbital Secondary 56. If the entire X-Axis (as strictly measured on the graph) spans 1.641 units, calculate the approximate period and frequency of the described binary system. A. Period: .876; Frequency: 1.14 B. Period: .853; Frequency: 1.17 C. Period: .821; Frequency: 1.21 ...
... D. Secondary Minimum E. Orbital Secondary 56. If the entire X-Axis (as strictly measured on the graph) spans 1.641 units, calculate the approximate period and frequency of the described binary system. A. Period: .876; Frequency: 1.14 B. Period: .853; Frequency: 1.17 C. Period: .821; Frequency: 1.21 ...
Homework, August 29, 2002 AST110-6
... 3. Chapter 5, Problem 30. (20pt) Energy Level Transition. The following labeled transitions represent an electron moving between energy levels in hydrogen atom. Answer each of the following questions and explain your answer. a. Which transition could represent an atom that absorbs a photon with 10.2 ...
... 3. Chapter 5, Problem 30. (20pt) Energy Level Transition. The following labeled transitions represent an electron moving between energy levels in hydrogen atom. Answer each of the following questions and explain your answer. a. Which transition could represent an atom that absorbs a photon with 10.2 ...
July 2014 BRAS Newsletter - The Baton Rouge Astronomical Society
... the constellation Cygnus, monitoring their brightness photometrically every 30 minutes for four years. It was searching for any minute decreases in brightness that might indicate one or more planets transiting (passing in front of) their host star as seen from Earth. (For comparison, if Earth transi ...
... the constellation Cygnus, monitoring their brightness photometrically every 30 minutes for four years. It was searching for any minute decreases in brightness that might indicate one or more planets transiting (passing in front of) their host star as seen from Earth. (For comparison, if Earth transi ...
hotstar_xrays
... In the next panel I show synthetic line profiles for a family of coronal models (left) and wind-shock models (right). Line profiles as a function of the scaled wind velocity (x=cDl/lov) are shown for different instrumental resolutions in each sub-panel. The panels have wind attenuation increasing d ...
... In the next panel I show synthetic line profiles for a family of coronal models (left) and wind-shock models (right). Line profiles as a function of the scaled wind velocity (x=cDl/lov) are shown for different instrumental resolutions in each sub-panel. The panels have wind attenuation increasing d ...
Cepheid Variable Star RS Puppis
... nebulae. As far as they could tell, our Milky Way Galaxy was the entire universe. Then, in 1912, astronomer Henrietta Swan Leavitt made a startling discovery that changed the course of astronomy. While working at Harvard College Observatory, Leavitt was recording and cataloguing variable stars, whos ...
... nebulae. As far as they could tell, our Milky Way Galaxy was the entire universe. Then, in 1912, astronomer Henrietta Swan Leavitt made a startling discovery that changed the course of astronomy. While working at Harvard College Observatory, Leavitt was recording and cataloguing variable stars, whos ...
Lecture5 - Tufts Institute of Cosmology
... Also Sun • “Spiral Nebulae” are outside our Galaxy • “Spiral Nebulae” are systems of stars, i.e., other galaxies • Slipher’s spectroscopic measurements high radial velocities • Showed photos of spiral nebulae – with absorbing bands ...
... Also Sun • “Spiral Nebulae” are outside our Galaxy • “Spiral Nebulae” are systems of stars, i.e., other galaxies • Slipher’s spectroscopic measurements high radial velocities • Showed photos of spiral nebulae – with absorbing bands ...
aas_gdemessieres - Astronomy at Swarthmore College
... oxy gen VII neon IX magnesium XI silicon XIII ...
... oxy gen VII neon IX magnesium XI silicon XIII ...
Chapter 20: Stellar Evolution: The Death of Stars PowerPoint
... Increased rate of core H-fusion into He Increased rate of collapse once core H-fusion ends Core pressure & temperature sufficient to fuse C ...
... Increased rate of core H-fusion into He Increased rate of collapse once core H-fusion ends Core pressure & temperature sufficient to fuse C ...
Measuring Stars
... No baseline we could draw on earth would be long enough to measure the distance of the stars We must use the diameter of the earth’s orbit – The longest baseline possible – 2 AU Copyright © 2010 Pearson Education, Inc. ...
... No baseline we could draw on earth would be long enough to measure the distance of the stars We must use the diameter of the earth’s orbit – The longest baseline possible – 2 AU Copyright © 2010 Pearson Education, Inc. ...
Astronomy Final C - Tarleton State University
... 5. Degenerate gases ? cool without losing their pressure. A.can B.cannot 6. ? develop where supernova explosions leave behind a “core” of approximately 1.4 to 2 or 3 stellar masses. A.Brown Dwarfs B.Red Dwarfs C.White Dwarfs D.Neutron Stars E.Black Holes 7. Inertial Mass ? gravitational mass. A.equa ...
... 5. Degenerate gases ? cool without losing their pressure. A.can B.cannot 6. ? develop where supernova explosions leave behind a “core” of approximately 1.4 to 2 or 3 stellar masses. A.Brown Dwarfs B.Red Dwarfs C.White Dwarfs D.Neutron Stars E.Black Holes 7. Inertial Mass ? gravitational mass. A.equa ...
Assignment 1 - utoledo.edu
... ____ 28. A very odd friend of yours (living in Bayonne, New Jersey) [substitute your favorite local town to make fun of] asks you for advice (as his astronomy expert). He likes sleeping during the day, and being awake at night, and has taken to going out into an open field and staring at the star ...
... ____ 28. A very odd friend of yours (living in Bayonne, New Jersey) [substitute your favorite local town to make fun of] asks you for advice (as his astronomy expert). He likes sleeping during the day, and being awake at night, and has taken to going out into an open field and staring at the star ...
Nogami, D. - Subaru Telescope
... gravity, metalicity, and age. •This fact supports the hypothesis that superflares may occur on the Sun. •We continue the high dispersion spectroscopy survey with Subaru, and will make monitoring observations with the 3.8m telescope. ...
... gravity, metalicity, and age. •This fact supports the hypothesis that superflares may occur on the Sun. •We continue the high dispersion spectroscopy survey with Subaru, and will make monitoring observations with the 3.8m telescope. ...
WARM-UP # 32 Which planets are the terrestrial planets and which
... which planets are the gas planets? What are three of their primary differences? The terrestrial planets are made of rock, smaller, closer together, do not have rings, and are closer to the sun. ...
... which planets are the gas planets? What are three of their primary differences? The terrestrial planets are made of rock, smaller, closer together, do not have rings, and are closer to the sun. ...
The Cosmic Near-Infrared Background: Remnant light form
... due to the mass spectrum could be large. •An accurate determination of the near-infrared background allows us to probe the formation history of early stars, which is difficult to constrain by other means. •A reasonable initial mass function, coupled with this star formation rate, does not overproduc ...
... due to the mass spectrum could be large. •An accurate determination of the near-infrared background allows us to probe the formation history of early stars, which is difficult to constrain by other means. •A reasonable initial mass function, coupled with this star formation rate, does not overproduc ...
Manual - Test Equipment Depot
... the Stars”. Thousands of years ago astrology was used to determine when to plant and harvest crops. At a later date this developed into the idea that you may be able to tell the future by the position of the stars and planets in relation to the sun. Astrologers maintain that everyone is born under a ...
... the Stars”. Thousands of years ago astrology was used to determine when to plant and harvest crops. At a later date this developed into the idea that you may be able to tell the future by the position of the stars and planets in relation to the sun. Astrologers maintain that everyone is born under a ...
What is Astronomy?
... connected the brightest stars into configurations called constellations. • In the Northern Hemisphere, most constellations were named after mythological heroes and animals. (e.g. Greek mythology - Orion) • The stars making up a particular constellation are generally NOT close together in space. They ...
... connected the brightest stars into configurations called constellations. • In the Northern Hemisphere, most constellations were named after mythological heroes and animals. (e.g. Greek mythology - Orion) • The stars making up a particular constellation are generally NOT close together in space. They ...
Frostburg State Planetarium presents
... & sky objects moved about Earth every day! • In the 1500’s, Copernicus proposed that the Earth itself was moving, not the sky objects! • Copernicus wrote that the Earth was spinning every day and orbiting the sun every year! • It took over a century until most were convinced that Copernicus was corr ...
... & sky objects moved about Earth every day! • In the 1500’s, Copernicus proposed that the Earth itself was moving, not the sky objects! • Copernicus wrote that the Earth was spinning every day and orbiting the sun every year! • It took over a century until most were convinced that Copernicus was corr ...
The Solar System and its Place in the Galaxy
... encounters with giant molecular clouds in the galactic disk. Thus, older stars can be accelerated to higher mean velocities, as noted earlier. The reason(s) for the Sun's low velocity are not known. Velocity-altering encounters with giant molecular clouds occur with a typical frequency of once every ...
... encounters with giant molecular clouds in the galactic disk. Thus, older stars can be accelerated to higher mean velocities, as noted earlier. The reason(s) for the Sun's low velocity are not known. Velocity-altering encounters with giant molecular clouds occur with a typical frequency of once every ...
Ursa Minor
Ursa Minor (Latin: ""Smaller She-Bear"", contrasting with Ursa Major), also known as the Little Bear, is a constellation in the northern sky. Like the Great Bear, the tail of the Little Bear may also be seen as the handle of a ladle, hence the name Little Dipper. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and remains one of the 88 modern constellations. Ursa Minor has traditionally been important for navigation, particularly by mariners, due to Polaris being the North Star.Polaris, the brightest star in the constellation, is a yellow-white supergiant and the brightest Cepheid variable star in the night sky, ranging from apparent magnitude 1.97 to 2.00. Beta Ursae Minoris, also known as Kochab, is an aging star that has swollen and cooled to become an orange giant with an apparent magnitude of 2.08, only slightly fainter than Polaris. Kochab and magnitude 3 Gamma Ursae Minoris have been called the ""guardians of the pole star"". Planets have been detected orbiting four of the stars, including Kochab. The constellation also contains an isolated neutron star—Calvera—and H1504+65, the hottest white dwarf yet discovered with a surface temperature of 200,000 K.