Eclipses - Study guides, Class notes & Summaries

eclipses - Answer - solar eclipse = bc of the large size of the sun, the rays taper to provide an umbra (total eclipse) and a surrounding penumbra (partial eclipse) - lunar eclipse = the moon passes completely into the shadow of earth reflection - Answer - we say light is reflected when it is returned into the medium from which it came -> the process is *reflection* - when light illuminates a material, electrons in the atoms of the material move more energetically in response to the osc...

PHSC102 - Midterm study Guide Questions And All Correct Answers How long does the sunspot cycle last, on average? a. about seven years b. about 76 years c. about 11 years d. between 25-35 years - Answer -about 11 years The vibrations of the Sun reveal information about a. the magnetic field of the Sun. b. the production of energy in the Sun. c. the structure of the atmosphere of the Sun. d. the interior structure of the Sun. - Answer -the interior structure of the sun True...

A long thin cloud that stretched from directly overhead to the western horizon would have an angular size of90 degrees When a thin crescent of the Moon is visible just before sunrise, the Moon is in itswaning phase f the Moon's orbit around Earth were a little larger, solar eclipses would bemore likely to be annular According to "The Zodiac" Figure shown above, in June we would see the Sun in the direction of the constellation(s)...Gemini In the Figure below (Figure 0.20A - Parall...

What are constellations? How many are there? - A group of stars.88 What is the celestial sphere? - An imaginary sphere that maps all celestial objects. What is the celestial equator? - Earth's equator expanded onto the celestial sphere. What is an ecliptic? - A circle on the celestial sphere representing the sun's apparent path during the year. What are the North and South celestial poles? - Earth's north and south pole expanded onto the celestial sphere. What is the difference...

The apparent motion of a foreground object relative to a distant background as the observers position changes? - Parallax When measuring parallax the distance between two observation points is called? - Baseline If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then? A. The night would be twice as long B. The night would be half as long C. The year would be half as long D. The length of the day would be unchanged. - B. A long, thin cloud ...

EAPS 105 Exam Questions & Answers 2024 Which arrangement is in order of increasing size, left to right? - ANSWER-• Planet, star, solar system, galaxy Which of the following is the largest? - ANSWER-• The distance from the Earth to the sun What causes seasons? - ANSWER-• The sun spends less time in the sky during winter than summer. • The Sun's rays spread out more in winter than in summer. • The suns rays are more spread out over the Earth in the winter • Larger Tilt...

Which of the following changes would cause the fusion rate in the Sun's core to increase? correct answers An increase in the core temperature A decrease in the core radius Which of the following must occur for a star's core to reach equilibrium after an initial change in fusion rate? correct answers If the fusion rate initially increases, then the core expands. If the fusion rate initially decreases, then the core contracts. What would happen if the fusion rate in the core of the Sun w...

Test Bank for Foundations of Astronomy, 14e 14th Edition by Michael A. Seeds, Dana Backman. Full Chapters test bank included Part 1: Exploring the Sky Chapter 1: Here and Now 1-1 Where Are We? 1-2 When Is Now? 1-3 Why Study Astronomy? Chapter 2: A User's Guide to the Sky 2-1 Stars and Constellations 2-2 The Sky and Celestial Motions 2-3 Sun and Planets 2-4 Astronomical Influences on Earth's Climate Chapter 3: Moon Phases and Eclipses 3-1 The Changeable Moon 3-2 Lunar Eclipses...

Scientific Inquiry - Answer The diverse ways in which scientists study the natural world and propose explanations based on the evidence derived from their work. Features of Scientific Inquiry - Answer 1. Learner engages in scientifically oriented questions 2. Learner gives priority to evidence in responding to questions 3. Learner formulates explanations from evidence 4. Learner connects explanations to scientific knowledge 5. Learner communicates and justifies explanations Steps o...

Which of the following is NOT a real danger for low ear orbiting satellites? - Volcanic Eruptions What is the goal of NASA? - Peaceful exploration of space for the benefit of all humankind Who discovered the relationship between pressure and fluids in motion that became the cornerstone of the theory of aerofoil lift? - Daniel Bernoulli In what year did communication satellites begin? - 1964 What is the most important element of our solar system? - the Sun Which of the following is not true...