It increases to 2 times A D. The Northern Hemisphere spring officially begins. E) The Sun does not emit neutrinos. E) 4 H 1 He + energy. A pulsating white dwarf star, fluctuating rapidly in brightness. A) send probes to measure the temperature. They can produce flares and coronal mass ejections. which of the following is not true of sunspots? Which of the following statements about sunspots is NOT true? How thick would you need to make this shield to ensure that it can stop a neutrino? The poles have the smallest variation in summer and winter day lengths. ~ Very strong energy source production ofjets formed in isolated areas varies on extremely long timescales strong radio source 1/ point 1/ point 1/ point. the BEST answer for each question and, mark What two pollutants react with water to produce acid rain? The reaction of automobile exhaust and ultraviolet light A) The Sun becomes less efficient and must increase the rate of fusion to produce the same amount of energy. 4. a. absorbs most ultraviolet wavelengths. D) Our current understanding of fusion in the Sun suggests that all neutrinos should be destroyed before they arrive at Earth, yet neutrinos are being detected. No lakes or streams have been damaged by acid precipitation. b. A) regions on the photosphere where magnetic lines poke through, creating the cooler areas of the sunspots C) electromagnetic force Hundreds of lakes are incapable of supporting life due to high acidity. B) nuclear fusion C) about one light year Which of the following statements about the sunspot - Course Hero The troposphere holds more than ________ percent of the atmospheric mass. D The Sun's surface, as we see it with our eyes, is called the What is granulation in the Sun? composition, temperature, and function. They are hotter than the surrounding photosphere. ________ refers to changes in daylength and the Sun's altitude over the course of the year. how (or if) their lifetimes depend on mass. An astronomer plots the HR diagram of a star cluster and finds that, it D) our mathematical models of the solar interior are fairly accurate. Sunspots. Which Of The Following Is A True Statement. Air pressure at sea level is approximately 1013.2 mb. a. Prediction of Amplitude of Solar Cycle 25 using Polar - ResearchGate Greenhouse gases are by far the largest contributor to modern global warming. in the reaction, and the energy adds mass by E = mc2. How do massive stars normally end their lives? D) 50 billion years. Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. Ozone in the lower troposphere A) More sunspots indicate increased solar radiation. B. The remaining 4 million tons of mass is The highest temperatures in the atmosphere occur in the. is itchy, painful, red, or bleeding is unusual in color Preventing sunspots You may be able to prevent sunspots on your face by limiting your exposure to UVA and UVB rays. Sunspots have a temperature that is about 1,500C cooler than the temperature of the rest of the suns surface. These are now known as the Galilean moons: Io, Ganymede, Europa and Callisto. C The gravitational disturbance of one star's motion by its. A magnet, for example, may attract another thing. B) nuclear fusion b. C rmine the net force on the dam. a mixture of gases that behaves like single gas. C B) Solar neutrinos are generated by solar winds, but we're in a solar minimum now, so the risk of damage is very low. D) 90% dark matter, 10% ordinary matter, From center outward, which of the following lists the "layers" of the Sun in the correct order? Hint 1. Sunspots are therefore an indication that the Sun is more active, and it is important to be aware of their presence. D) kilograms. B Sunspots occur in pairs. During solar maximum, the number of sunspots visible on the surface of the sun can be dozens or more. b. aims to reduce and eliminate all ozone depleting substances. evolution, in order of increasing mass? The "star" appears to move in a straight line against a, a. A more modern hypothesis was that the Sun shone through the emission of thermal energy resulting from gravitational contraction, but this could only last for about 25 million years, far less than the age of Earth, before the Sun would have contracted to a point. 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. Natural precipitation typically falls between pH 7.5 and 8.0. (B), Which of the following is not a reason for the seasons? The statement that is not true about solar sunspots is that they are permanent. They move along with the Suns active region and can measure up to 50,000 miles across. C A. 2.A 3.D 4.C 1.Is the following statement true or false?Solar panels collect energy from the sun that can then power a lamp in a home. B) corona 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. C) Neutrinos have no electrical charge. D. It decreases to 1/2 its original magnitude. producing excess energy and therefore will not produce the. B) "sunquakes" are caused by similar processes that create earthquakes on Earth. A magnet is an item with magnetic qualities. B. The dark spots are caused by regions of intense magnetic field, which are up to 2,500 times greater than the field of the earth. After observing the Earth's weather patterns and the 11-year sunspot 8. Why are humans and other living things not crushed by the pressure of the atmosphere? (B) Sunspots look dark because they are cooler in temperature than the surrounding regions. C to overcome the collapse and stabilize the stellar, d. Which of the following choices is not a way by which we can study the inside of the Sun? D) The Sun has exhausted its supply of neutrinos. Why does the Sun emit neutrinos? *c. The Sun will exhaust its nuclear fuel in about Every material is composed of microscopic components known as atoms. was ratified by the U.S. Congress in 1987. What is the only force that can overcome the repulsion between two positively charged nuclei to bind them into an atomic nucleus? absolute magnitude (or intrinsic brightness) against temperature, 10. Solution. sunspots can be up to 12 times larger than earth. D) convection zone Which the following is not true of sunspots? A) chemical reactions B) Nuclei are attracted to each other by the electromagnetic force, but this force is only strong enough to make nuclei stick when they are very close together. B. 4. They appear dark because they are cooler than other parts of the Sun's surface. A C) We do not know how to detect electron neutrinos. Removing Sunspots on Face: Treatment and At-Home Remedies - Healthline D) It predicted that Earth would also shrink in size with time, which would make it impossible to have stable geology on our planet. Which of the following best explains why nuclear fusion requires bringing nuclei extremely close together? the larger the stellar mass, the larger the luminosity. Yes, sunspots are an indication of increased activity on the Suns surface. b. C) 4 tons The borrow material that will be used to construct this fill is stiff clay. Use affects temperatures. a #2 pencil only. The CFC molecules react with ultraviolet light to release fluorine which then destroys ozone. A) collide. A) 5000 AD. Because they are moving rapidly away from the Sun and their, spectra the greater the stellar mass, the less the luminosity. 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. D) neutrinos from the solar core reach the solar surface easily. C) The Sun emits light of longer average wavelength. D) radioactive elements such as uranium and plutonium. Sunspots are dark, planet-size regions of strong magnetic fields on the surface of the sun. a. Earth and the Sun formed specifically from, The photochemical reactions responsible for photochemical smog produce. True False Question 24 (2 points) Which of the following is the correct order for the stages of evolution of a low-mass star, like the Sun? D) Sunspots are surface disturbances caused by magnetic storms. D) By measuring Doppler shifts, we observe vibrations of the Sun's surface that are created deep within the Sun. The 11 year sunspot cycle on the Sun is, a. The sun's photosphere is about 300 miles (500. The notion that ozone is being depleted as a result of human activity has little scientific evidence to support it. Theories predict how many and what type of neutrinos should be observed. Nuclear power plants on Earth create energy in the same way as the Sun. B) It referred to the fact that neutrinos are extremely difficult to detect. Sometimes the Sun's surface displays virtually no sunspots, while at other times its surface displays a relatively large number of sunspots. Humans have not sent a spacecraft into the interior of the Sun to confirm any models of the interior. E. CO2 is a by-product of life processes. Solely anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans. C) holes in the corona of the Sun that allow us to see the photosphere C) yellow The relationship between mass and luminosity of stars on the main. Recommended Amendments to the Comprehensive Plan, sort the following manganese compounds by whether the cation is manganese ii or manganese iii. 30. A computer accessory salesman attempts to convince you to purchase a "solar neutrino" shield for your new computer. D) We see many sunspots on the surface of the Sun. Sunspots typically occur in groups, with individual sunspots ranging in size from roughly 16 miles to over 80,000 miles across. C) gravitational force and surface tension 26. The light radiated from the Sun's surface reaches Earth in about 8 minutes. Because they have very thin atmospheres that do not emit, continuum B A elements toward the bottom of a group periodic table generally have higher ionization energies than elements at the top of a group. E) The Sun is generating energy other than by nuclear fusion. Sunspots are more important to global warming than GHGs There is more methane in the atmosphere than carbon dioxide Arctic Greening will absorb most of the carbon we emit to the atmosphere Greenhouse gases are by far the largest contributor to modern global warming Volcanic explosions can cool Earth's climate for hundreds of. Which of the following is true of the ionosphere? Which of the following is the best answer to the question, "Why does the Sun shine?" As you plunge through the "surface" of the Sun, the photosphere, the temperature will be a slightly cooler 5,800 K, compared to the outer layers, and you will see the slightly cooler regions of sunspots and the granulation on the surface caused by the convection underneath. A. the revolution of Earth around the Sun A Sunspots are typically more common in higher latitudes of the Sun and will appear as dark, round patches. B B) weak force B) gravitational force and outward pressure Sunspots are actively rotating regions that contain strong magnetic fields and are usually found in pairs. D All radio signals pass through this region virtually unaffected. What was the major drawback of this idea? PDF ASTR1102-002 Practice Questions for Exam #2 True or false: The amount of solar activity (like sunspots) varies between maximum and minimum. C) They are regions nearly devoid of gas. D) The Sun always has the same amount of mass, creating the same gravitational force. , A new embankment, when completed will occupy a net volume of 257,000cy. B) With each subsequent peak in the number of sunspots, the magnetic polarity of the Sun is the reverse of the previous peak. How is the sunspot cycle directly relevant to us here on Earth? Sunspots are dark patches that appear on the Suns surface as a result of powerful magnetic activity. finally B) The chromosphere is best observed with ultraviolet telescopes and the corona is best observed with X-ray telescopes. D E) gradually expanding in size, How do human-built nuclear power plants on Earth generate energy? How do we know what goes on under the surface of the Sun? 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 C) It predicted that the Sun could shine for about 25 million years, but geologists had already found that Earth is much older than this. two zones that absorb radiation from the Sun. Inside the Sun, this process begins with protons (which is simply a lone hydrogen nucleus) and through a series of steps, these protons fuse together and are turned into helium.So all A,B,C are produced in nuclear fusion in the sun. Earth represents an open system in terms of energy. B They are distributed approximately uniformly over the Sun's surface both in position and in time. 33. B C) sun spots luminosity is independent of the stellar mass. What is the primary source of energy for the Sun? Trucks with a 35,000 pound capacity will be used for transport a) Compute the required volume of borrow pit excavation. B A. The Sun's surface seethes and churns with a bubbling pattern. Which of the following is not true regards to Earth as system? C) 4 H 4 He + energy. C) They have no mass. How can we measure the strength of magnetic fields on the Sun? E) attract one another. A 30 seconds. They move across the Sun c. They are permanent d. They are caused by magnetic activity e. They vary in size 3. D) radioactive elements like uranium and plutonium. B) core, convection zone, radiation zone, corona, chromosphere, photosphere is affecting the stratospheric ozone concentration. answer choices. Which of the following radioactive isotopes is used to date very recent events? B) p + p becomes 2H + energy. D) about 14 billion light years (the size of the observable universe) Why do the tropics have a positive net radiation while the poles have a negative value? 14. type of satellite used for monitoring the Earth's surface. A A elements toward the bottom of a group periodic table generally have higher ionization energies than elements at the top of a group. A hydrogen nucleus (a proton) has a charge of +1 and a helium, nucleus B. A) Energy is produced in the convection zone by thermal radiation. The sunspot cycle is very steady, so that each 11-year cycle is nearly identical to every other 11-year cycle. B) They are holes in the solar surface through which we can see through to deeper, darker layers of the Sun. E) The term solar neutrino problem refers to the fact that neutrinos are extremely difficult to detect. Question 4 options: They are holes where we can see into the the interior of the Sun. What is the solution to the solar neutrino problem? E) molecular hydrogen. E) neutrinos from the solar core reach the solar surface easily. C) Like all objects, the Sun emits thermal radiation with a spectrum that depends on its temperature, and the Sun's surface temperature is just right for emitting mostly visible light. Most of the CFC-induced ozone destruction is occurring near the equator, rather than near the poles. After 11 years the Sun's magnetic polarity flips again, completing the 22-year period. a band running from upper left to lower right, d. This cluster is, *a. This inhibition of convection causes the temperature of the sunspot to reduce, making it much cooler than its surroundings. It extends through the troposphere into the stratosphere. B) There is a balance within the Sun between the outward push of pressure and the inward pull of gravity. List at least two ways the sunspot cycle affects us on Earth. E) several hundred years ago. INSTRUCTIONS:Fill C 1). During periods of low solar activity just after solar minimum, what is true of the location and distribution of sunspots? Daylength is longest on the summer solstice and is shortest on the winter solstice. SVSU GEOG101! Chapter 1 Flashcards | Quizlet B) use hot gas to create a small Sun in a laboratory. B) areas of the corona where magnetic field lines project into space, allowing charged particles to escape the Sun, becoming part of the solar wind A) The sunspot cycle strongly influences Earth's weather. Sunspots have been continuously counted each day since 1838, which has allowed solar scientists to describe a repeating pattern in the wax and wane of activity on the Sun's surfacethe solar. Climate Literacy Quiz - Teaching Climate Neutrinos from the core collide with gas atoms and prevent them, c. Magnetic fields composition, temperature, and function. in nebulae composed of gas and dust. Which of the following is not true of sunspots? Which of the following processes is involved in the sunspot cycle? c. The Sun Is Asleep. Deep 'Solar Minimum' Feared As 2020 - Forbes D) join together to form a deuterium nucleus. Which statement best describes what was called the solar neutrino problem? Which of the following is not true of sunspots a more B) 25 million years d. more sunspots indicate increased solar radiation. 1.A. C) The Sun initially began making energy through chemical reactions. Which is closest to the temperature of the core of the Sun? E) The number of solar flares peaks about every 11 years. 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. A It was imaged by the SOHO Observatory. B. Photographs reveal that most of them have atmospheres much like that of Jupiter. They are cooler because their strong magnetic fields suppress convection and prevent hotter material from flowing into them. What is the common cause of sunspots, flares, and prominences? Sunspots may also be caused by changes in the Suns rotation, which can cause its poles to move, creating changes in the magnetic field and sunspot activity. The solar spectrum is a good example of what kind of spectrum? d. In C) collide. Solved Which of the following statements about spectral - Chegg E. The equator experiences at least six-hours difference in day length from winter to summer. The CFC molecules react with ultraviolet light to release chlorine which then destroys ozone. when hot stars are on the main sequence. less mass than the four hydrogen atoms, because the energy, produced When is/was gravitational contraction an important energy generation mechanism for the Sun?