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
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Massive Bat
Energy radiated by substances occurs over a wide range of wavelengths.
Interactions of Light and Matter
(a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
Testing the corneal light reflex