Survey final exam review questions & answers 2024/2025

Survey final exam review questions & answers 2024/2025 The Sun's diameter is about _______ times larger than the Earth's diameter. - ANSWERS100 Solar sunspots are distributed uniformly over the Sun's surface both in position and time. True or False? - ANSWERSFalse Solar sunspots typically measure about 10,000 km across (about the size of the Earth!) True or False? - ANSWERSTrue The primary source of the Sun's energy is _____________________________. - ANSWERSfusion of light elements to make heavier ones The time between successive sunspot maxima is about _____________. - ANSWERSa decade On the H-R diagram, red supergiants like Betelguese lie at the (top left / top right / bottom left / bottom right). - ANSWERStop right The Maunder Minimum refers to what? - ANSWERSa relative absence of sunspots during the late 17th century What are the three important regions of the Sun? - ANSWERSthe photosphere, chromosphere, and corona What does apparent magnitude tell us about a star? - ANSWERSThe brightness of a star as seen from the Earth The outward pressure of hot gas in the Sun is balanced by what? - ANSWERSinward gravitational pressure