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
Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Excitation of isolated chlorophyll by light.
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
Pairs of heavy and light chains combine to form a Y-shaped molecule
Summary view of the light reactions as they occur in the thylakoid
The Global Positioning System determines the location of an object from its distances to ...