Gravitational lensing
a. occurs when light passes near a massive object and is deflected by the object's gravitational field.
b. can be used to determine the luminosity of a galaxy.
c. occurs when the mass of a galaxy is greater than expected from the luminosity of the galaxy.
d. occurs when the mass of a galaxy is less than expected from the luminosity of the galaxy.
e. can be used to determine the recessional velocity of a galaxy.
Question 2
Hydrostatic equilibrium refers to the balance between weight and pressure.
a. True
b. False
Indicate whether the statement is true or false
Phytochrome controls germination by responding to red/far red light signals.
Which wavelengths of light are most effective at photosynthesis?
The connector is unplugged from the injector and a noid light is plugged into the injector ...
When both sides of the back have been massaged, redrape the back. With light to moderate force, use ...
Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
The position of an object that is oscillating on a spring is given by the equation x = (18.3 ...