Domingue Astronomy Chapter 15 & 16 Questions
The merging of atomic particles into larger ones is _____, while the splitting of large ones into small is ______.
fusion, fission
The concept of hydrostatic equilibrium (also known as gravitational equilibrium) is a balance between ____ and _____
gravity, gas pressure
The mass of Helium is not equal to the mass of 4 protons. This illustrates ___.
the Sun's ability to convert mass into energy
The Sun is composed of ____.
Hydrogen and Helium like Jupiter
We can map the strength and location of magnetic fields on the Sun because of the _____.
Zeeman effect
In the first step of the proton-proton process of nuclear fusion, two protons initially become ____.
a deuterium particle
the following list that illustrates the order of the atmospheric layers of the Sun as listed from closer to interior and moving outward is
c) photosphere, chromosphere, corona
The gamma-rays produced in the core of the Sun will reach the surface as visible light. The path requires _____ as the time to exit.
many 100 thousand years
High temperatures are required for fusion to occur because ____.
protons have the same electrical charge.
An example of the solar cycle is _____.
the increase and decrease of sunspots on a 11-year repeat