When a planet retrogrades, it appears to move westward
Indicate whether the statement is true or false
TRUE
You might also like to view...
Who created the first reflecting telescope?
What will be an ideal response?
A plane is moving due north, directly towards its destination. Its airspeed is 200 mph. A constant breeze is blowing from west to east at 42 mph. In which direction is the plane pointed?
a. 5.7° W of N b. 12° W of N c. 22° W of N d. 11° E of N
Suppose you drop a clock toward a black hole. As you look at the clock from a high orbit, what will you notice?
A) Time on the clock will run slower as it approaches the black hole, and light from the clock will be increasingly redshifted. B) Time on the clock will run faster as it approaches the black hole, and light from the clock will be increasingly blueshifted. C) The clock will fall toward the black hole at a steady rate, so that you'll see it plunge through the event horizon within just a few minutes. D) The clock will fall faster and faster, reaching the speed of light as it crosses the event horizon.
The ozone layer lies in the
a. stratosphere. b. troposphere. c. mesosphere. d. thermosphere.