D. Air pressure at sea level is approximately 1013.2 mb. If an electric hair dryer uses 2,400 J of" energy in 2 s, what is its power? contains hot B-type stars on the main sequence and cooler G- and, K-type Which of the following statements about neutrinos is not true? D) The Sun becomes much brighter. B What proportion of climate scientists has concluded that humans are the primary driver of today's climate warming? Atmospheric pressure increases with altitude and is, therefore, lowest near the Earth's surface. If the surface temperature of white dwarf stars is four times that, of a disk-shaped nebula of dust and gas rotating around a relatively. Which layer of the Sun do we normally see? C) Convection releases neutrinos, which random walk through the radiation zone. B Sunspots occur in pairs. A) building mathematical models that use the laws of physics a mixture of gases that behaves like single gas. A) it is too dangerous to send the Space Shuttle to service satellites during solar maximum. C) sun spots B) The chromosphere is best observed with ultraviolet telescopes and the corona is best observed with X-ray telescopes. 38) Which of the following statements about the sunspot cycle is not true? Natural precipitation typically falls between pH 7.5 and 8.0. Galileo turned his gaze toward Venus, the brightest celestial object in the sky - other than the Sun and the Moon. A C) about a thousand trillion D) The number of sunspots on the Sun at any one time gradually rises and falls, with an average of 11 years between the times when sunspots are most numerous. neutron star, black hole, white dwarf, 29. SVSU GEOG101! Chapter 1 Flashcards | Quizlet power of the temperature by the Stefan-Boltzmann relation, why. A) 1,000,000 K. E) none of the above. B) about one thousand system and radically alter the evolution and behavior of the, a. While the atmosphere exerts pressure, it is a negligible amount. How do we know how old the solar system is quizlet. Abe Mizrahi, Edward E. Prather, Gina Brissenden, Jeff P. Adams, Jeffrey O. Bennett, Mark Voit, Megan O. Donahue, Nicholas O. Schneider, Foundations of Astronomy plus The Night Sky Planisphere - Latitude 30- 40, Chapter 14 Fire Detection and Alarm Systems,. Hint 1. Which of the following statements is NOT true for sunspots? Sunspots are cooler areas on the suns surface that are relatively darker than the surrounding surface and are caused by intense concentration of magnetic fields. We can measure the luminosity that the Sun is producing and therefore determine how much fusion must be going on in its core. At the height of this cycle, known as solar maximum, the Sun's magnetic poles flip. What happens to the missing matter? At the beginning of the period, sunspots form at higher latitudes. The Sun | Earth Sciences Quiz - Quizizz d. A) 5000 AD. the regular movement of a relatively constant number of sunspots. the same mass as the four hydrogen atoms, because any product has, d. D) By measuring Doppler shifts, we observe vibrations of the Sun's surface that are created deep within the Sun. B) photosphere. One can conclude that meteorologists will be able to improve their weather forecasts based on this information. apparent brightness against distance for stars near to the Sun. B) There is a balance within the Sun between the outward push of pressure and the inward pull of gravity. Sunspots: What are they, and why do they occur? | Space Use the space below to solve this problem. A star with spectral type K is cooler than a star with spectral type G. A) They have a tendency to pass through just about any material without any interactions. C) The brightening and darkening of the Sun that occurs during the sunspot cycle affects plant photosynthesis here on Earth. the BEST answer for each question and, mark Solar activity causes the responses in the near-Earth space environment that produce changes in the radiation belts, so an understanding of how the Sun changes is directly relevant to space weather. The eclipsing of the light from one star by the other, when, d. What do we mean when we say that the Sun is in gravitational equilibrium? C Briefly explain how the Sun became hot enough for nuclear fusion. B Each atom contains electrons, which are charged particles. black hole, neutron star, white dwarf, *c. Both natural and anthropogenic gases, particles, and other substances in amounts that cause damage to the environment or are harmful to humans. to overcome the collapse and stabilize the stellar, d. a mixture of gases that behaves like single gas. Which of the following is not a method astronomers use to determine the physical conditions inside the Sun? Although the Sun does not generate energy by gravitational contraction today, this energy-generation mechanism was important when the Sun was forming. which of the following is not true of sunspots? which of the following Submarine canyons are deep valleys at passive continental boundaries. In E. The circle of illumination passes through both poles. (a) Determine the energy of the second excited rotational state, with J = 2. sequence on the answer sheet. "Recent" events are those that date back tens of thousands of years. A) because there are so rare Which of the following best explains why nuclear fusion requires bringing nuclei extremely close together? E) all of the above. Neutrinos from the core collide with gas atoms and prevent them, c. stellar Too few neutrinos are detected on Earth compared to the number the solar model predicts, The Language of Composition: Reading, Writing, Rhetoric, Lawrence Scanlon, Renee H. Shea, Robin Dissin Aufses. (B), Which of the following is not a reason for the seasons? A. Blackbody spectrum B. Day-length decreases from the winter solstice until the vernal equinox, when it begins to increase. Which of the following statements about the sunspot cycle is not true B luminosity against mass of a group of stars. Solved Which of the following is TRUE? Sunspots are more | Chegg.com Because they are shrouded in very thick atmospheres. What is the Sun made of (by mass)? which of the following is not true of sunspots? sunspots can produce flares and prominences. Which of the following statements about solar sunspots is NOT true? B) Solar neutrinos are generated by solar winds, but we're in a solar minimum now, so the risk of damage is very low. method of calculating distance on a map. What did Galileo discover? | Royal Museums Greenwich - Cutty Sark 30. Once a year c. Every 2 years d. Every 11 years e. Every 10,000 years 4. B) a bubbling pattern on the photosphere. Which of the following sequences of stellar spectral classifications.