Ken_Schatten06
... Near solar min., the solar wind extends the polar field into the interplanetary field. When it dips low enough to reach the ecliptic it can affect geomag. activity. This allows it to serve as a precursor for next cycle’s activity. ...
... Near solar min., the solar wind extends the polar field into the interplanetary field. When it dips low enough to reach the ecliptic it can affect geomag. activity. This allows it to serve as a precursor for next cycle’s activity. ...
Notes 14-2
... • Are bursts (eruptions) of heat and energy that stretch out from the corona and chromospheres into space. • Sometimes the energy disrupts satellites, interfering with TV, radio, and cell phone communication systems. ...
... • Are bursts (eruptions) of heat and energy that stretch out from the corona and chromospheres into space. • Sometimes the energy disrupts satellites, interfering with TV, radio, and cell phone communication systems. ...
Activity 32
... waves and reaches the Earth, 150 million kilometres away, in million just eight minutes. The temperature at the Sun’s core is 15 ________________________ © ERPI Reproduction and adaptation permitted solely for classroom use with Observatory. ...
... waves and reaches the Earth, 150 million kilometres away, in million just eight minutes. The temperature at the Sun’s core is 15 ________________________ © ERPI Reproduction and adaptation permitted solely for classroom use with Observatory. ...
A summary of the conference
... the Sun and stars is less accessible to scientific investigation than any other region of the universe. Our telescopes may probe farther and farther into the depths of space; but how can we ever obtain certain knowledge of that which is being hidden behind substantial barriers? What appliance can pi ...
... the Sun and stars is less accessible to scientific investigation than any other region of the universe. Our telescopes may probe farther and farther into the depths of space; but how can we ever obtain certain knowledge of that which is being hidden behind substantial barriers? What appliance can pi ...
1 - Humble ISD
... 6. What is meant by the term random walk when describing the transfer of energy within the sun’s interior? ...
... 6. What is meant by the term random walk when describing the transfer of energy within the sun’s interior? ...
The Sun: Our Extraordinary Ordinary Star
... • Solar activity associated with sun spots result in massive amounts of radiation and charged particles being ejected into space. • When this material overwhelms the protective Van Allen Belt layer of our atmosphere all ...
... • Solar activity associated with sun spots result in massive amounts of radiation and charged particles being ejected into space. • When this material overwhelms the protective Van Allen Belt layer of our atmosphere all ...
The Sun: Our Star
... A solar flare is a violet outburst that lasts an hour or less. It radiates X-ray, ultraviolet, and visible radiation, plus streams of high-energy protons and electrons. Solar Flares originate in/near Sun spots and juts into the chromosphere. A large flare can be a billion times more energetic than a ...
... A solar flare is a violet outburst that lasts an hour or less. It radiates X-ray, ultraviolet, and visible radiation, plus streams of high-energy protons and electrons. Solar Flares originate in/near Sun spots and juts into the chromosphere. A large flare can be a billion times more energetic than a ...
Notes Chapter 4
... 24. Sunspots are cooler than the surrounding photosphere. 25. umbra—dark inner portion of a sunspot penumbra—brighter outer portion of a sunspot 26. The number of sunspots reaching a maximum average every 11 years. 27. This pattern switches during each sunspot cycle; therefore it takes 22 years for ...
... 24. Sunspots are cooler than the surrounding photosphere. 25. umbra—dark inner portion of a sunspot penumbra—brighter outer portion of a sunspot 26. The number of sunspots reaching a maximum average every 11 years. 27. This pattern switches during each sunspot cycle; therefore it takes 22 years for ...
Lecture13 - University of Waterloo
... prediction at optical wavelengths, there is excess radiation at very short wavelengths. This light is also highly variable. ...
... prediction at optical wavelengths, there is excess radiation at very short wavelengths. This light is also highly variable. ...
HERE
... Have an umbra (dark center) and a penumbra (less shaded surrounding) Temps in the umbra reach 4500 K. (cooler than surroundings). Appears dark, but it’s not. Magnetic field is 1000 times greater than surrounding surface. This strong mag. field redirects convective hot gas. Usually associated with ...
... Have an umbra (dark center) and a penumbra (less shaded surrounding) Temps in the umbra reach 4500 K. (cooler than surroundings). Appears dark, but it’s not. Magnetic field is 1000 times greater than surrounding surface. This strong mag. field redirects convective hot gas. Usually associated with ...
Star/Sun/Spectral Analysis - ppt
... http://www.windows.ucar.edu/tour/link=/sun/Solar_interior/Sun_layers/Convection_zone/sun_conv_big_jpg_image.html ...
... http://www.windows.ucar.edu/tour/link=/sun/Solar_interior/Sun_layers/Convection_zone/sun_conv_big_jpg_image.html ...
Ay 101 - The Physics of Stars – fall 2015 -... Homework 3, due Friday Oct 23 at class (2 pm)
... above the atmosphere of the Earth is the solar constant. It has a value of S = πf⊙ = 1.38 × 106 erg cm−2 s−1 . Using the distance from the Earth to the Sun, what is the surface flus πF on the Sun. What effective temperature does this imply for the Sun ? (b) The mean T of the Earth is about 300◦ K. W ...
... above the atmosphere of the Earth is the solar constant. It has a value of S = πf⊙ = 1.38 × 106 erg cm−2 s−1 . Using the distance from the Earth to the Sun, what is the surface flus πF on the Sun. What effective temperature does this imply for the Sun ? (b) The mean T of the Earth is about 300◦ K. W ...
Worksheet 4.2 (Answer Key)
... (Note: v is used for velocity, which is speed and direction, but in this formula there is no direction, so speed and velocity are the same.) 1. The mass of the blob can be estimated by first estimating its volume and using the typical density of plasma in a coronal loop. Examine the 9th flare image in ...
... (Note: v is used for velocity, which is speed and direction, but in this formula there is no direction, so speed and velocity are the same.) 1. The mass of the blob can be estimated by first estimating its volume and using the typical density of plasma in a coronal loop. Examine the 9th flare image in ...
Astrophysics
... Sunspots are the most dominant features on the Sun surface. They harbour complex concentrations of magnetic field that become entangled in the plasma ocean that is solar surface, otherwise known as the photosphere. They migrate across the solar disk, close to the solar equator, and they can rapidly ...
... Sunspots are the most dominant features on the Sun surface. They harbour complex concentrations of magnetic field that become entangled in the plasma ocean that is solar surface, otherwise known as the photosphere. They migrate across the solar disk, close to the solar equator, and they can rapidly ...
Unit 3 : The Sun A. Layers of the Sun 1. Core 2. Radiation zone 3
... 1. A thermonuclear fusion reaction from the sun’s interior converts hydrogen into helium which releases a huge amount of energy (therm = heat) 2. the energy created by this fusion reaction creates heat (thermal energy) which travels through space in the form of electromagnetic waves 3. electromagnet ...
... 1. A thermonuclear fusion reaction from the sun’s interior converts hydrogen into helium which releases a huge amount of energy (therm = heat) 2. the energy created by this fusion reaction creates heat (thermal energy) which travels through space in the form of electromagnetic waves 3. electromagnet ...
5th Grade Solar System - Mrs. Kellogg`s 5th Grade Class
... Sun has a powerful gravitation pull *Sun’s gravity is responsible for the orbits of planets around the sun ...
... Sun has a powerful gravitation pull *Sun’s gravity is responsible for the orbits of planets around the sun ...
Our Star, the Sun
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
Powerpoint Presentation (large file)
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
... dim outer atmosphere? 7. Where does the solar wind come from? 8. What are sunspots? Why do they appear dark? 9. What is the connection between sunspots and the Sun’s magnetic field? 10. What causes eruptions in the Sun’s atmosphere? ...
23sun6s
... a) One year is the period of the comet b) The meteors disperse after one year c) The comet debris occupies one spot on the Earth’s orbit d) It takes one year for the comet to produce more debris e) It is only one year for short period comets, for long period comets the ...
... a) One year is the period of the comet b) The meteors disperse after one year c) The comet debris occupies one spot on the Earth’s orbit d) It takes one year for the comet to produce more debris e) It is only one year for short period comets, for long period comets the ...
Where does the sun`s energy come from?
... big ball of hydrogen create all that heat? The short answer is that it is big. If it were smaller, it would be just be a sphere of hydrogen, like Jupiter. But the sun is much bigger than Jupiter. It would take 433,333 Jupiters to fill it up! That’s a lot of hydrogen. That means it’s held together by ...
... big ball of hydrogen create all that heat? The short answer is that it is big. If it were smaller, it would be just be a sphere of hydrogen, like Jupiter. But the sun is much bigger than Jupiter. It would take 433,333 Jupiters to fill it up! That’s a lot of hydrogen. That means it’s held together by ...
Stellar Activity
... • M dwarfs are relatively bright x-ray sources • Corona extends as much as a stellar radius above the photosphere • Temperatures up to a few million degrees • Coronal emission primarily in soft x-rays (0.1-1 KeV), collisionally excited emission lines of high ionization states of Fe and other heavy e ...
... • M dwarfs are relatively bright x-ray sources • Corona extends as much as a stellar radius above the photosphere • Temperatures up to a few million degrees • Coronal emission primarily in soft x-rays (0.1-1 KeV), collisionally excited emission lines of high ionization states of Fe and other heavy e ...
Chapter 8 Notes
... A small change in solar output could have a large effect on Earth’s climate. The Solar Constant is ~1370 J/m2 – s, but ...
... A small change in solar output could have a large effect on Earth’s climate. The Solar Constant is ~1370 J/m2 – s, but ...
The Sun PPT
... • M = mass (kg) • E = energy (Joules [J]) – A Joule is a unit of energy equivalent to the energy needed to apply a force of 1 Newton through a distance of one meter. ...
... • M = mass (kg) • E = energy (Joules [J]) – A Joule is a unit of energy equivalent to the energy needed to apply a force of 1 Newton through a distance of one meter. ...
AAS-SPD-LeaveBehind-2014
... • The key to understanding Space Weather and its effects on Earth • The study of our solar system and its place in the galaxy ...
... • The key to understanding Space Weather and its effects on Earth • The study of our solar system and its place in the galaxy ...
Corona
A corona (Latin, 'crown') is an aura of plasma that surrounds the sun and other celestial bodies. The Sun's corona extends millions of kilometres into space and is most easily seen during a total solar eclipse, but it is also observable with a coronagraph. The word ""corona"" is a Latin word meaning ""crown"", from the Ancient Greek κορώνη (korōnē, “garland, wreath”).The high temperature of the Sun's corona gives it unusual spectral features, which led some in the 19th century to suggest that it contained a previously unknown element, ""coronium"". Instead, these spectral features have since been explained by highly ionized iron (Fe-XIV). Bengt Edlén, following the work of Grotrian (1939), first identified the coronal lines in 1940 (observed since 1869) as transitions from low-lying metastable levels of the ground configuration of highly ionised metals (the green Fe-XIV line at 5303 Å, but also the red line Fe-X at 6374 Å). These high stages of ionisation indicate a plasma temperature in excess of 1,000,000 kelvin, much hotter than the surface of the sun.Light from the corona comes from three primary sources, which are called by different names although all of them share the same volume of space. The K-corona (K for kontinuierlich, ""continuous"" in German) is created by sunlight scattering off free electrons; Doppler broadening of the reflected photospheric absorption lines completely obscures them, giving the spectral appearance of a continuum with no absorption lines. The F-corona (F for Fraunhofer) is created by sunlight bouncing off dust particles, and is observable because its light contains the Fraunhofer absorption lines that are seen in raw sunlight; the F-corona extends to very high elongation angles from the Sun, where it is called the zodiacal light. The E-corona (E for emission) is due to spectral emission lines produced by ions that are present in the coronal plasma; it may be observed in broad or forbidden or hot spectral emission lines and is the main source of information about the corona's composition.