Explain the theory of flight
I have given my response to the following chapter quiz questions (see attachment). Please correct and provide the correct answers if/when mine are incorrect. 1.Which of the following lists of different types of electromagnetic radiation is correctly ordered in wavelength, from shortest to longest? A) Gamma rays, ultrav ...continues
The Sun and the Moon appear to be the same size in the sky, but astronomers know the Sun is actually 400 times bigger than the Moon. What is the distance of the Sun, compared with the distance of the moon? (a) 400 times larger (b) 20 times larger (c) the same (d) 400 times smaller (e) None of the above What answer is t ...continues
Stars - Astronomy Quiz Question
28. Which of the following statements is not true? (a) Stars are distant suns. (b) Some stars are closer than Pluto. (c) Stars emit light, but planets reflect light. (d) Stars do not orbit the Sun. (e) 'Shooting stars' are not stars. What is the correct answer?
26. The Earth moves in an almost-circular orbit around the Sun because: (a) That is the 'natural' path of an object in space (b) Of the combination of its sideways motion, and the Sun's gravitational force (c) The Sun moves in an almost-circular path around the Earth (d) Of the Sun's magnetic field (e) None of the above ...continues
25. Astronauts in the Shuttle appear to be 'weightless'. Which of the following statements best describes or explains the phenomenon of 'weightlessness'? (a) There is no gravity in space. (b) There is no atmosphere in space. (c) The gravity of the Space Shuttle is not sufficient to hold the astronauts on the floor. (d) Bot ...continues
23. Which of the following would make you weigh half as much as you do right now? (a) Take away half of the Earth's atmosphere. (b) Double the distance between the Earth and the Sun. (c) Decrease the Earth's rate of spin so that 1 day equals 48 hours instead of 24 hours. (d) More than one of these groups (e) None of the a ...continues
18. During July at the North Pole, the Sun would: (a) Be overhead at noon (b) Never set (c) Be visible for 12 hours each day (d) Set in the Northwest (e) None of the above Which answer is the correct answer?
17. Most astronomers consider astrology to be: (a) A science (b) A good way to determine personality traits (c)Helpful in predicting world events (d) More than one of the above (e) None of the above what answer is correct?
Which of the following is true about star A?
16. Stars A and B appear equally bright in the night sky. However, star A actually gives off more light than star B. Which of the following is true about star A? (a) It is the same distance from us as is star B. (b) It is farther away from us that is star B. (c) It is closer to us than is star B (d) It is the same temperat ...continues