Stars - Mrs. Tosh`s class
... example, the blue flame of the Bunsen burner is much hotter than the yellow flame of the candle. ...
... example, the blue flame of the Bunsen burner is much hotter than the yellow flame of the candle. ...
Stars and Stellar Evolution
... Balanced between forces of gravity (trying to squeeze into smaller space) and gas pressure (trying to expand it) Hydrogen fusion for few billion years ...
... Balanced between forces of gravity (trying to squeeze into smaller space) and gas pressure (trying to expand it) Hydrogen fusion for few billion years ...
The Magnitude Scale
... are not "exact", in that celestial objects are often measured to a precision or 0.1 or 0.01 magnitude; for example, Sirius shines at V = -1.47 (Yale Bright Star Catalogue), and the planet Venus varies in brightness generally from magnitude -4.5 to -3.7. Note that a comet of magnitude 5 will not be a ...
... are not "exact", in that celestial objects are often measured to a precision or 0.1 or 0.01 magnitude; for example, Sirius shines at V = -1.47 (Yale Bright Star Catalogue), and the planet Venus varies in brightness generally from magnitude -4.5 to -3.7. Note that a comet of magnitude 5 will not be a ...
review_one - MSU Solar Physics
... The three components to measuring radiation The difference between light gathering power and resolving power The ways in which the atmosphere is not helpful to astronomy, and ways around it Compare and contrast reflecting and refracting telescopes Why the largest telescopes are reflecting ...
... The three components to measuring radiation The difference between light gathering power and resolving power The ways in which the atmosphere is not helpful to astronomy, and ways around it Compare and contrast reflecting and refracting telescopes Why the largest telescopes are reflecting ...
File
... vain I would point to my three papers in the Astrophysical Journal, my five in the Monthly Notices of the Royal Astronomical Society. I would remind them that my order has long been famous for its scientific works. We may be few now, but ever since the eighteenth century we have made contributions t ...
... vain I would point to my three papers in the Astrophysical Journal, my five in the Monthly Notices of the Royal Astronomical Society. I would remind them that my order has long been famous for its scientific works. We may be few now, but ever since the eighteenth century we have made contributions t ...
Astrophysics Presentation
... This enables us to study the relationship between the mass and the other properties of stars It is found that there is a simple massluminosity relationship for main sequence stars The luminosity increases with the cube of the mass (this is consistent with other clues about the size, density and mass ...
... This enables us to study the relationship between the mass and the other properties of stars It is found that there is a simple massluminosity relationship for main sequence stars The luminosity increases with the cube of the mass (this is consistent with other clues about the size, density and mass ...
Galaxies - schoolphysics
... the trip across our galaxy. This means that the light that we see from the stars on the other side of the galaxy started out on its journey over eighty thousand years ago! If we could shrink the whole solar system out to the orbit of Pluto to the size of a grain of sand 1mm across then on the same s ...
... the trip across our galaxy. This means that the light that we see from the stars on the other side of the galaxy started out on its journey over eighty thousand years ago! If we could shrink the whole solar system out to the orbit of Pluto to the size of a grain of sand 1mm across then on the same s ...
Physics Observing The Universe
... 3. From the period, determine luminosity. 4. Knowing both the luminosity and the intensity of its light at the telescope, calculate the distance of the star. ...
... 3. From the period, determine luminosity. 4. Knowing both the luminosity and the intensity of its light at the telescope, calculate the distance of the star. ...
January 2007 - Western Nevada Astronomical Society
... Q: What is a sunspot? Sunspots are temporary, dark, relatively cool blotches on the Sun’s bright photosphere. They usually appear in groups of two or more. Individual sunspots last anywhere from a few hours to a few months. Sunspots were first observed and recorded by the Chinese about 800 B.C. Suns ...
... Q: What is a sunspot? Sunspots are temporary, dark, relatively cool blotches on the Sun’s bright photosphere. They usually appear in groups of two or more. Individual sunspots last anywhere from a few hours to a few months. Sunspots were first observed and recorded by the Chinese about 800 B.C. Suns ...
Chapter 24
... • Strong magnetic field • First one discovered in early 1970s • Pulsar (pulsating radio source) • Found in the Crab nebula (remnant of an A.D. 1054 supernova) ...
... • Strong magnetic field • First one discovered in early 1970s • Pulsar (pulsating radio source) • Found in the Crab nebula (remnant of an A.D. 1054 supernova) ...
Stars and Galaxies
... except for after red giant stage they do not become white dwarfs • Carbon atoms continue to fuse creating heavier elements like oxygen & nitrogen • Core of massive star so hot that fusion continues until the heavy element of iron is formed ...
... except for after red giant stage they do not become white dwarfs • Carbon atoms continue to fuse creating heavier elements like oxygen & nitrogen • Core of massive star so hot that fusion continues until the heavy element of iron is formed ...
PHYSICS 1500 - ASTRONOMY TOTAL
... Neither Mars nor Venus have conditions to support a rich biosphere. Which of the following is not a contributing factor to this situation? (a) Mars is close to the asteroid belt, which resulted in widespread cratering in the heavy bombardment period. (b) Venus is a little close to the sun, resulting ...
... Neither Mars nor Venus have conditions to support a rich biosphere. Which of the following is not a contributing factor to this situation? (a) Mars is close to the asteroid belt, which resulted in widespread cratering in the heavy bombardment period. (b) Venus is a little close to the sun, resulting ...
The Life Cycle of Stars Stars are a fascinating part of our universe
... Step 6 – White Dwarf a. Title this frame White Dwarf b. Draw and color a picture of a White Dwarf. c. Write a summary that defines a White Dwarf, describes why it is this color, and explains how a star becomes a White Dwarf. Step 4 - Main Sequence – one other direction from center a. Title this fram ...
... Step 6 – White Dwarf a. Title this frame White Dwarf b. Draw and color a picture of a White Dwarf. c. Write a summary that defines a White Dwarf, describes why it is this color, and explains how a star becomes a White Dwarf. Step 4 - Main Sequence – one other direction from center a. Title this fram ...
After the ZAMS - Lincoln-Sudbury Regional High School
... a well-known, bright and beautiful group of stars in the constellation Taurus. ...
... a well-known, bright and beautiful group of stars in the constellation Taurus. ...
Exam 3 Study Guide
... See if you can fill in the blank on these questions (our exam will still be multiple choice) The Milky Way is a barred spiral type galaxy. The Solar System is located in the Orion spur. The Sun is located 28,000 light-years, or 8500 pc, away from the center of the Milky Way. The mass of the Milky Wa ...
... See if you can fill in the blank on these questions (our exam will still be multiple choice) The Milky Way is a barred spiral type galaxy. The Solar System is located in the Orion spur. The Sun is located 28,000 light-years, or 8500 pc, away from the center of the Milky Way. The mass of the Milky Wa ...
General Astronomy - Stockton University
... The wavelength of one particular line in the solar spectrum (at 589 nm) was found to be identical to the wavelength emitted by sodium (for example when salt is sprinkled on a flame). ...
... The wavelength of one particular line in the solar spectrum (at 589 nm) was found to be identical to the wavelength emitted by sodium (for example when salt is sprinkled on a flame). ...
May 8, 2012 - Plummer Pumas Science
... Defining the Habitable Zone The presence of liquid water at the surface of a planet appears to be one of the central characteristic that distinguishes whether or not a planet can harbor life. This requires that the planet be at a distance from the central star where the temperature is not too low t ...
... Defining the Habitable Zone The presence of liquid water at the surface of a planet appears to be one of the central characteristic that distinguishes whether or not a planet can harbor life. This requires that the planet be at a distance from the central star where the temperature is not too low t ...
Neutron Stars
... Upper mass limit of Neutron Stars • In Neutron stars the gravity is balanced by two forces. – Degenerate neutron pressure – Strong nuclear force. ...
... Upper mass limit of Neutron Stars • In Neutron stars the gravity is balanced by two forces. – Degenerate neutron pressure – Strong nuclear force. ...
Circumpolar constellations
... Is there a direction you could look any clear night, no matter what time of year, and always see the same stars? Yes! Circumpolar constellations do not rise or set, but appear to move in a series of circles around Polaris, the pole star. In the northern hemisphere, between 30 and 40 degrees North la ...
... Is there a direction you could look any clear night, no matter what time of year, and always see the same stars? Yes! Circumpolar constellations do not rise or set, but appear to move in a series of circles around Polaris, the pole star. In the northern hemisphere, between 30 and 40 degrees North la ...
The Argonauts, background to the constellation Carina Argo Navis
... through Carina, there are also a large number of open clusters in the constellation. These include the "Southern Pleiades." The most notable object in Carina is Homunculus Nebula (from the Latin meaning Little Man), a planetary nebula visible to the naked eye believed to have been ejected in an enor ...
... through Carina, there are also a large number of open clusters in the constellation. These include the "Southern Pleiades." The most notable object in Carina is Homunculus Nebula (from the Latin meaning Little Man), a planetary nebula visible to the naked eye believed to have been ejected in an enor ...
A Star is
... elements which compose Earth. • The most common elements in stars are hydrogen and helium, in that order. • Small quantities of carbon, oxygen, and nitrogen are also found in stars, but stars are primarily composed of…. • HYDROGEN and HELIUM ...
... elements which compose Earth. • The most common elements in stars are hydrogen and helium, in that order. • Small quantities of carbon, oxygen, and nitrogen are also found in stars, but stars are primarily composed of…. • HYDROGEN and HELIUM ...
Day 15
... brightness as a measure of distance This assumes that all stars have the same luminosity. The double star data was starting to show that was an incorrect assumption ...
... brightness as a measure of distance This assumes that all stars have the same luminosity. The double star data was starting to show that was an incorrect assumption ...
Astronomy 114 Problem Set # 7 Due: 30 Apr 2007 SOLUTIONS 1
... gravitational pull at some radius R is induced by the mass within R, we denote it M(R). For the centrifugal force, we have ...
... gravitational pull at some radius R is induced by the mass within R, we denote it M(R). For the centrifugal force, we have ...
Perseus (constellation)
Perseus, named after the Greek mythological hero Perseus, is a constellation in the northern sky. It was one of 48 listed by the 2nd-century astronomer Ptolemy and among the 88 modern constellations defined by the International Astronomical Union (IAU). It is located in the northern celestial hemisphere near several other constellations named after legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Perseus is also bordered by Aries and Taurus to the south, Auriga to the east, Camelopardalis to the north, and Triangulum to the west.The galactic plane of the Milky Way passes through Perseus but is mostly obscured by molecular clouds. The constellation's brightest star is the yellow-white supergiant Alpha Persei (also called Mirfak), which shines at magnitude 1.79. It and many of the surrounding stars are members of an open cluster known as the Alpha Persei Cluster. The best-known star, however, is Algol (Beta Persei), linked with ominous legends because of its variability, which is noticeable to the naked eye. Rather than being an intrinsically variable star, it is an eclipsing binary. Other notable star systems in Perseus include X Persei, a binary system containing a neutron star, and GK Persei, a nova that peaked at magnitude 0.2 in 1901. The Double Cluster, comprising two open clusters quite near each other in the sky, was known to the ancient Chinese. The constellation gives its name to the Perseus Cluster (Abell 426), a massive galaxy cluster located 250 million light-years from Earth. It hosts the radiant of the annual Perseids meteor shower—one of the most prominent meteor showers in the sky.