The heliocentric model of the solar system gained preference over the early Greek epicycle model because
A. the heliocentric model was simpler.
B. only the heliocentric model could explain retrograde motion.
C. the heliocentric model gave a more accurate description of observed planetary motions.
Answer: A
You might also like to view...
A mass is transferred through the inner Langragria point in a binary system toward a white dwarf, the material forms a rapidly growing whirlpool of material known as a(n)
a. accretion disk. b. Lagrangian point. c. Algol paradox. d. planetary nebula. e. supernova remnant.
A coil of 150 turns of wire is in the form of a circle, carries a current of 63 mA, and sits in the center of a dipole magnet that produces a uniform magnetic field of strength 1.5 T. The torque on the coil has a maximum value of 0.25 Nm. What is the radius of the coils?
A. 9.2 cm B. 13 cm C. 0.56 cm D. 7.5 cm
How is the Reynolds number defined for film condensate flow down a vertical surface?
What will be an ideal response?
A _____ is a group of stars that formed together and orbit a common center of mass
A) stellar association B) star cluster C) T Tauri star D) brown dwarf