What happens to the visible light radiated by stars located within a dusty gas cloud?
A) It is blocked by dust and its energy is thereby lost.
B) It is absorbed by dust, which heats the dust grains so that they emit the absorbed energy as infrared light.
C) It is reflected by dust back to the star from whence it came.
D) It passes through the cloud unaffected.
Question 2
When a comet passes near the Sun, part of it takes on the appearance of a large, bright ball from which the tail extends. This part is called
A) the nucleus.
B) the coma.
C) the plasma tail.
D) the Oort core.
Micrographs of nerve cells taken with different types of light microscopes.
Absorption of light energy by an electron
Stars and the Interstellar Medium
The data link connector (DLC) can be located in various locations.
Evolutionary Stages of Stars
A small 355-g box hangs from one end of a thin light string that goes over a frictionless ...