The study of heat and heat transfer is called:
a. thermionics.
b. high-energy physics.
c. caloric chemistry.
d. energetics.
e. thermodynamics.
e
You might also like to view...
Astronomers can measure the diameter of our Milky Way Galaxy by plotting the position of globular star clusters.
Answer the following statement true (T) or false (F)
The diagram above shows the life track of a 1 MSun protostar from the time it first begins to form until it reaches the main sequence, with four stages labeled. What is happening to the protostar's surface temperature and luminosity during Stage 2, when it is undergoing convective contraction, and its life track moves almost straight down on the HR diagram?
A) Its surface temperature and luminosity increase. B) Its surface temperature remains the same and its luminosity decreases. C) Its surface temperature and luminosity decrease. D) Its surface temperature decreases and its luminosity increases. E) Its surface temperature and luminosity remain the same.
In which spectral sequence are the hottest stars categorized?
a. O stars b. B stars c. A stars d. F stars e. K stars
Asteroids are the last of the icy planetesimals from the formation of the Solar System
a. True b. False Indicate whether the statement is true or false