to overcome the collapse and stabilize the stellar, d.
C) radiation and elements such as carbon and nitrogen. E) Sunspots can produce flares and prominences. The first step was measuring the distance to the Sun which then allowed us to calculate how luminous it is and therefore how much energy is needed to power it.
Solved Which of the following statements about spectral - Chegg These eruptions can cause problems with satellites, disturb communications and even the electrical grid on earth. B) It is physically impossible to generate heat simply by making a star shrink in size. A) We can probe the interior of the Sun by studying the vibrations in its photosphere. This inhibition of convection causes the temperature of the sunspot to reduce, making it much cooler than its surroundings. The lifetimes of stars are too long to measure, so it is not. A) They are too cold to emit any visible light. And at minimum you have a minimum number of sunspots, and at maximum, a maximum. C) hotter and denser than the surface. 8. Melt from the subducting plate rises to the surface, erupts through the . thermonuclear fusion of hydrogen in the Sun's surface layers, *d.
D) The convection zone is the source of ultraviolet light, and the upper photosphere is the source of X rays. Because they have very thin atmospheres that do not emit, continuum
a verification of the Doppler equation for wavelength shift of. We also use observations of vibrations on the Sun to learn about its interior structure in much the same way we use seismic testing on Earth. Energy from the core of the Sun first travels slowly through the convection zone and then much faster through the radiation zone.
Solved Which of the following is TRUE? Sunspots are more | Chegg.com *b.
B) It referred to the fact that neutrinos are extremely difficult to detect. A) 5000 AD. D. It results from the burning of fossil fuels. They appear dark because they are cooler than other parts of the Sun's surface. The stars of the Milky Way We reviewed their content and use your feedback to keep the quality high. D) gravitational force Which of the following types of stars or stellar remnants can have a, mass
Which of the following is correct regarding day length? B The Sun appears to have a cycle of about 11 years during which it waxes and wanes. The transfer of matter from one star to its companion. sulfur oxides and ozone
Sunspots and Solar Flares | NASA Space Place - NASA Science for Kids Sunspots are cooler than the surrounding region of the Sun's surface. . 10. apparent brightness against intrinsic brightness of a group of. Similarly if the solar core were to decrease in temperature, the nuclear fusion rate would plummet and gravity would overcome thermal pressure and contract the core. A) They all have about the same temperature. Solar radiation that is intercept by Earth is called. C) The brightening and darkening of the Sun that occurs during the sunspot cycle affects plant photosynthesis here on Earth. A CME erupted on Jan. 30, 2022. Almost all elements heavier than hydrogen and helium were made inside stars. C They vary in number on an 11 year cycle. The helium atom has, a.
A) core, radiation zone, convection zone, corona, chromosphere, photosphere These . A elements toward the bottom of a group periodic table generally have higher ionization energies than elements at the top of a group. D. The Northern Hemisphere spring officially begins.
Solved Which one of the following is NOT true? (A) The - Chegg Trucks with a 35,000 pound capacity will be used for transport a) Compute the required volume of borrow pit excavation. Save my name, email, and website in this browser for the next time I comment. In the center section near to the Sun's position, with lower mass, d.
The Hertzsprung-Russell diagram is a plot of. Which of the following is an example of humans influencing solar energy or seasonality? A) It slowly works its way to the Sun's surface, where it escapes into space. Detailed calculations show th at the value of, for the outermost electrons in Si and Cl atoms is 4.29+ and 6.12+, respectively. B) Astronomers create mathematical models that use the laws of physics, the Sun's observed composition and mass, and computers to predict internal conditions. The CFC molecules react with ultraviolet light to release chlorine which then destroys ozone. E) they are caused by processes similar to those that create earthquakes, Imagine that you are trying to stop neutrinos with a lead shield. Which of the following best describes where other forms of light are released? , A new embankment, when completed will occupy a net volume of 257,000cy. All radio signals pass through this region virtually unaffected. C) The Sun's mass is about 300,000 times the mass of Earth. A) the Sun is made of material that acts like a liquid acts on Earth.
As you approach the Sun, you will enter the corona, an extremely hot layer of gas, but so low in density that you won't really feel how hot it is. A) 600 million tons The CFC molecules react with ultraviolet light to release fluorine which then destroys ozone. B D A) building mathematical models that use the laws of physics B) the gravitational force C) The Sun initially began making energy through chemical reactions. on the answer sheet. B. B. the oblate spheroidal shape of Earth Solution. Which of the following is not a characteristic of the 11-year sunspot cycle? B) The Sun is generating much less energy than we think it is. A. the revolution of Earth around the Sun One important aspect of the study of binary star systems, as, distinct
As the core contracts, it heats up and the core returns to its normal operating temperature. (B) Sunspots look dark because they are cooler in temperature than the surrounding regions. Hundreds of lakes are incapable of supporting life due to high acidity. D) We are seeing hot gas rising and cool gas falling due to the convection that occurs beneath the surface. A) The number of sunspots peaks approximately every 11 years. They are magnetic storms. C. D) Neutrinos rarely, if ever, interact with your computer. A) It predicted that the Sun could last only about 25 million years, which is far less than the age of Earth. *c.
The most likely places where stars and planetary systems are forming. are white dwarfs intrinsically so faint? This low density in turn causes the Suns energy to be absorbed unevenly, creating areas on the surface that are cooler than their surroundings. At solar maximum, the height of magnetic activity, we observe many sunspots and solar flares. B) Nuclear reactions in the Sun become more efficient with time, so that each fusion reaction releases more energy when the Sun is old than when it is young; this in turn raises the Sun's luminosity. C) Energy is transported outward by the rising of hot plasma and the sinking of cooler plasma. Which of the following is characterized by the longest wavelengths, 12. C) of increased magnetic interference. A) because there are so rare A. Physics College answered Which of the following statements is NOT true about sunspots? The chromosphere is the layer of the Sun that we see as its visible surface. *b.
Galileo's Daughter - Wikipedia C) Newtons D) because they rarely interact with matter It is held up by gas pressure due to the very high temperature, b. The middle of the solar cycle is the solar maximum, or when the Sun has the most sunspots. A magnet, for example, may attract another thing. Which of the following is true regarding the depletion of ozone in the ozonosphere? Sunspots are areas on the surface of the Sun that appear darker than their surrounding regions. A) We have X-ray images from satellites of the interior of the Sun. A star with spectral type K is cooler than a star with spectral type G. B) another name for the way sunspots look on the surface of the Sun Photographs reveal that most of them have atmospheres much like that of Jupiter. What is the velocity in the duct? The overall fusion reaction by which the Sun currently produces energy is D) Neutrinos have a tendency to pass through just about anything without interactions, making them very difficult to detect. It increases to 2 times Which of the following is true regarding acid deposition? The heating of the localized areas of the atmosphere of one star. A The "star" appears to wiggle in its path across our sky against, *d.
Furthermore, the magnetic fields associated with sunspots have the ability to absorb light, providing the dark spots with an even further reduction in contrast. A These dark spots, or sunspots, appear in clusters of various sizes and have a temperature that is about 1500C cooler than the suns surrounding surface. You will then enter this convective layer, feeling regions of hot plasma rising upward to meet you and seeing cooler gas descending from the surface. A mi padre y a m (nos-te) importan los actores de Hollywood. Which of the following is true of the ionosphere? A) They are too cold to emit any visible light. What do we mean when we say that the Sun is in gravitational equilibrium? A) helium, gamma rays, and neutrinos. Why are humans and other living things not crushed by the pressure of the atmosphere? First you will feel the light pressure of particles from the solar wind. The top of the Earth's atmosphere is approximately. Question there were no dark energy, the expansion of the universe would be: constant accelerating decelerating . E) lumps of denser material in the Sun, What are coronal holes? A) collide. E) all of the above. C) 600 tons B) With each subsequent peak in the number of sunspots, the magnetic polarity of the Sun is the reverse of the previous peak. Sunspots are generally cooler than the surrounding photosphere because they are formed from regions of disrupted plasma flow. is considered beneficial in trapping UV radiation. B) The Sun's magnetic field, which plays a major role in the sunspot cycle, affects compass needles that we use on Earth. Hundreds of lakes are incapable of supporting life due to high acidity. E) The Sun does not emit neutrinos. Why do the tropics have a positive net radiation while the poles have a negative value? A) chromosphere. Based on its surface temperature of 5,800 K, what color are most of the photons that leave the Sun's surface? B) regions in the photosphere where magnetic lines gather, creating cooler areas with much less plasma B) ten years ago. 1. D) neutrinos from the solar core reach the solar surface easily. What processes are involved in the sunspot cycle? your choice on the answer sheet. decreases as mass increases and decreases beyond this limit. A young
A) the bubbling pattern on the photosphere produced by the underlying convection B) strong magnetic fields slow convection and prevent hot plasma from entering the region. they can produce flares and prominencesc. What are coronal holes? Solar neutrinos coming from the Sun have been detected, but in fewer numbers than predicted by theoretical models. Modelo A Mara (le-les) encantan las pelculas romnticas. Which of the following observations would NOT be an indication of a, a. E) attract one another. Which of the following sequences of stellar spectral classifications. They are cooler because their strong magnetic fields suppress convection and prevent hotter material from flowing into them. 13. Which of the following conclusions can be drawn about Enif from. Iron nuclei are so large that they occupy all remaining space and, c.
Sunspots can appear in both the northern and southern hemispheres of the Sun, and usually occur in pairs of opposite magnetic polarity. Which of the following statements is NOT true for sunspots? A) nuclear fission Which layer of the Sun do we normally see? Why must the Sun's rate of fusion gradually rise over billions of years? Magnetism is caused by attraction when two items are brought together or repulsion when two objects are moved apart. Which statement best describes the solar neutrino problem?
Solved 35. Which of the following statements is not true? A. | Chegg.com Despite their dark appearance, sunspots do not detract from the amount of energy being produced by the sun, meaning that they do not have an effect on the Earths temperature. Yes, sunspots are an indication of increased activity on the Suns surface. They gradually shrink to the size of the Earth. a band running from upper left to lower right, d.
A) tunnels in the outer layers of the Sun that allow photons to escape and form the solar wind D A dam is used to hold back a river. D Main sequence stars all have approximately the same mass, by, 25. A) They are composed of different elements than the rest of the sun. What is the common cause of sunspots, flares, and prominences? The light radiated from the Sun's surface reaches Earth in about 8 minutes, but the energy of that light was released by fusion in the solar core about A) The Sun's mass is about 300 times the mass of Earth. true or false: sunspots appear dark because they are hotter than the surrounding gas of the photosphere. C. The depletion is restricted to the arctic and antarctic regions. The sun has an 11-year cycle of sunspots on its surface. d.
ASTR&101 - Ch. 14 Flashcards | Quizlet It extends through the troposphere into the stratosphere. B) Energy is produced in the convection zone by nuclear fusion. C) They are all strongly influenced by magnetic fields on the Sun. E) They emit light in other wavelengths that we can't see. increases the temperature to the point where a new nuclear, fusion
D) They are tiny black holes, absorbing all light that hits them. A) strong force B) The visible light comes from energy level transitions as electrons in the Sun's hydrogen atoms jump between level 1 and level 2. 3. a very small asteroidlike body orbiting the Sun. E) The mass of a neutrino is 30 percent of the mass of an electron. Greenhouse gases are by far the largest contributor to modern global warming. less mass than the four hydrogen atoms, because the energy, produced
no larger than about 1.4 times the mass of the Sun, otherwise. an undetermined amount of mass, depending on the temperature at, 19. Electrostatic forces between the highly charged iron nuclei are, sufficient
The Sun Is Asleep. Deep 'Solar Minimum' Feared As 2020 - Forbes Granulation is evidence of what phenomenon? E. It results from chemical reactions with chlorine derived from CFCs. D Sunspots are most prevalent in an 11-year cycle; the number of sunspots peaks about every 11 years. A correlated equilibria to the market game is either a sunspot equilibrium or a non-sunspot equilibrium to the related securities games, but the converse is not true in general. a somewhat irregular but always present cycle of build-up and, d.
Which of the following is NOT a correct statement about sunspots? They are hotter than the surrounding photosphere. E) the weak force. E) green. C) The rate of nuclear fusion in the Sun peaks about every 11 years.
A Penn State professor explains how the northern lights put on a show By what process does the Sun generate energy? B) It is the primary energy generation mechanism in the Sun today. At the time the hypothesis was suggested, what major problem was identified with the idea that the Sun was powered by gravitational contraction? B) Fusion in the Sun's core creates neutrinos. D) The electron neutrinos created in the Sun's core change into another type of neutrino that we did not detect. from single stars, is that it provides, a.
They often occur in pairs of opposite magnetic polarity. Although the Sun does not generate energy by gravitational contraction today, this energy-generation mechanism was important when the Sun was forming. How is the sunspot cycle directly relevant to us here on Earth? 8. How often is there an increase in sunspot activity? Sunspots can also often be accompanied by intense dark patches of plasma that are suspended above the suns surface called prominences, which may disperse into space and can cause beautiful auroras if they are directed toward Earth. A) More sunspots indicate increased solar radiation. Therefore, scientists predict that neutrinos should come from the Sun if fusion is occurring in its core. Why is the hole in the ozone greatest over Antarctica? C D) gravitational contraction 28. The cesium iodide (CsI) molecule has an atomic separation of 0.127 nm. A Most of the CFC-induced ozone destruction is occurring near the equator, rather than near the poles.
They also can create more auroras and can be a danger to satellites. A) 70% hydrogen, 28% helium, 2% other elements The poles have the smallest variation in summer and winter day lengths. The photosphere is relatively thin compared to the other atmospheric regions.
The movement of electric charges causes magnetism. D) Energy is produced in the convection zone by nuclear fusion. C) It has played a role throughout the Sun's history, but it was most important right after nuclear fusion began in the Sun's core. the BEST answer for each question and, mark
C) Heat is generated when gravity contracts, because gravity is an inverse square law force. Which of the following best explains why the Sun's luminosity gradually rises over billions of years? C) The number of solar flares peaks about every 11 years. B) Solar neutrinos have been detected, but in fewer numbers than predicted by theoretical models. The sunspot cycle, a huge effect, was not discovered until 1843 by Samuel Heinrich Schwabe.The German amateur astronomer was looking for a planet inside the orbit of Mercury and made careful daily drawings to track its passage across the face of the Sun. Which of the following statements about solar sunspots is NOT true? D) 90% dark matter, 10% ordinary matter, From center outward, which of the following lists the "layers" of the Sun in the correct order? Why does the Sun emit neutrinos? Select only one. D) Not all fusion reactions create electron neutrinos. These are now known as the Galilean moons: Io, Ganymede, Europa and Callisto. D B) 100% hydrogen and helium They tend to cluster at high solar latitudes. B What is a possible solution to the solar neutrino problem? C They change size b. Every material is composed of microscopic components known as atoms. C Elin la miraba con amor tambin. Which of the following is true of chlorofluorocarbons? Choose the best pair of words to complete the sentence. B) several hundred thousand years ago. Sunspot activity is often observed and studied to gain important data about the Suns atmosphere and the local magnetic environment of the Solar system. Which of the following statements about the sunspot cycle is not true? Sunspots appear in cycles, with high numbers of spots occurring during certain periods and low numbers at others. Recommended Amendments to the Comprehensive Plan, sort the following manganese compounds by whether the cation is manganese ii or manganese iii. 13. C) 4 tons C) We have sent probes below the surface of the Sun. b. E) The electron neutrinos created in the Sun change into another type of neutrino that we do not detect. D Sunspots are surface disturbances caused by magnetic storms. If one fourth of the original muons reach Earth before decaying, about how big is the height h? apparent brightness against distance for stars near to the Sun. No lakes or streams have been damaged by acid precipitation. Fusion of iron nuclei into heavier nuclei requires energy rather, than
Laura miraba a Elin con amor. E. The equator always receives equal hours of day and night. True False. B) core, convection zone, radiation zone, corona, chromosphere, photosphere D) The cycle is truly a cycle of magnetic activity, and variations in the number of sunspots are only one manifestation of the cycle. They are distributed approximately uniformly over the Sun's surface both in position and in time. During a time interval of 1.5 s\mu ss in the rest frame of the muons, half of the muons present at the beginning of the interval decay. E. D) The Sun generates energy through fission while nuclear power plants generate energy through fusion. GEOG 1112 - Chapter 3: (Questions)Earth's Atm, GEOG 1112k- Chapter 9: Climate Classification. B) gravitational force and outward pressure (B), Which of the following is not a reason for the seasons? The Sun generates energy primarily by nuclear fission. D) No one understood how it could be possible for neutrinos to be produced in the Sun. For the last few years we've been at what we call solar minimum. impossible, because one cannot have cool stars above the main. Which of the following is not true of sunspots? additional
based on the principle that surfaces must be physically handled and directly measured for study. A. Suppose that, for some unknown reason, the core of the Sun suddenly became hotter. C) Sunspots can be up to 12 times larger than Earth. B) 25 million years D) No one knows: this is the essence of the "solar neutrino problem.". A) The number of sunspots peaks approximately every 11 years. Sunspots are temporary dark spots that appear on the surface of the Sun. With his observations of the phases of Venus, Galileo was able to figure out that the planet orbits the Sun, not the Earth as was the common belief in his time. B) Fusion reactions decrease the overall number of particles in the core, causing the core to shrink, converting gravitational potential energy into thermal energy, and increasing the rate of fusion. Galileo turned his gaze toward Venus, the brightest celestial object in the sky - other than the Sun and the Moon. more sunspots indicate increased solar radiation. D) areas in the corona that allow us to see through to the photosphere How long will the Sun have spent as a main sequence star when it. C) the Sun generates energy by nuclear fusion. ANSWER: Correct Chapter 11 Question 22 Part A Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time . A) There's no such thing as a solar neutrino. A) at the same temperature and density as the surface. Sunspots are dark patches that appear on the Suns surface as a result of powerful magnetic activity. If the solar core were to increase in temperature, the nuclear fusion rate would soar, generating excess energy that increases the pressure and pushes the core outwards. The sun's photosphere is about 300 miles (500. The corona is even shaped differently, streaming more from the sides of the Sun instead of forming a more spherical shape around the Sun, as when the magnetic field is weaker. (b) Find the frequency of the photon absorbed in the J = 1 to J = 2 transition. B) one hundred years ago. A) The Sun rotates faster at its poles. However, some energy is released from the upper layers of the solar atmosphere. the same mass as the four hydrogen atoms, because any product has, d.
The main cause of sunspots is the suns magnetic field.
After observing the Earth's weather patterns and the 11-year sunspot Which of the following is true of the Sun's electromagnetic spectrum? A) The chromosphere is the source of ultraviolet light, and the corona is the source of X rays. C From which region of the Sun does the solar wind originate?
Which of the following statements about the sunspot cycle is not true