The diurnal rotation of the stars refers to the
A) apparent rotation of the celestial sphere due to the rotation of the Earth.
B) movement of the stars across the sky during daytime hours.
C) rate of spin of stars in their formation stage.
D) particular constellations that are visible in different times of the year.
Answer: A
You might also like to view...
What is the slit spacing of a diffraction grating necessary so that 600-nm light will produce a first order principal maximum at 25.0° away from the centerline?
A) 2.01 ?m B) 1.42 ?m C) 3.12 ?m D) 5.44 ?m E) 4.12 ?m
Conservation of Momentum: Two ice skaters suddenly push off against one another starting from a stationary position. The 45-kg skater acquires a speed of 0.375 m/s relative to the ice. What speed does the 60-kg skater acquire relative to the ice?
A. 0.50 m/s B. 0.28 m/s C. 0.38 m/s D. 0.75 m/s E. 0.00 m/s
The height of the ceiling in a typical home, apartment, or dorm room is closest to
A) 100 cm. B) 200 cm. C) 400 cm. D) 500 cm.
Suppose that an object is moving with constant acceleration. Which of the following is an accurate statement concerning its motion?
A) In equal times its speed changes by equal amounts. B) In equal times its velocity changes by equal amounts. C) In equal times it moves equal distances. D) The object is not moving; it is at rest. E) A statement cannot be made without additional information.