Sunspot Cycle – Astronomy Mid Exam
The key terms of Astronomy Mid Exam include, Sunspot Cycle.
The sunspot cycle is a pattern of solar activity where the average number of sunspots gradually __________ and ___________
Increases, decreases
Proton-proton chain reaction is:
The creation of energy through the process of nuclear fusion.
Which of the following does the Sun orbit?
The center of the Milky Way
.
About four million tons of __________________ are converted to energy in the Sun’s core every second.
Matter
Given that the Sun is estimated to be about five billion years old, scientists estimate that we are about halfway through its lifetime. This means that the Sun’s lifetime is expected to be what length of time?
10 billion years
Which of the following does Saturn have in common with Earth?
Its solid core
Voyager 2 was able to capture proof of the intensity of storms that occur on Neptune. These are known to be ________________ times as strong as those on Earth.
Nine
Jupiter’s mass is larger than all of the other planets in the Solar System.
True
Which of the following outer planets is known as the “windy” planet?
Saturn
Which of the following planets has seasonal changes that are comparable to Earth and Mars?
Neptune
Every few years, Earth passes through Saturn’s rings.
True
Which of the following words BEST describes Uranus’ seasons?
Long
Neptune is smaller than the gas giants and Earth.
False
Which of the following layers in Uranus’ atmosphere is the densest part
Uranus does not have a dense atmosphere.
Uranus was the first planet to be discovered using a telescope.
True
.
Recent counts show that Jupiter has __________________ moons, not including the temporary ones.
50
Which of the following BEST describes Jupiter’s seasons?
There are no significant seasonal changes
Jupiter’s large size causes it to complete rotations more slowly than the other planets.
False
The Sun is divided into three regions.
False
A neutrino contains very little:
Mass
The chromosphere of the Sun is visible from Earth at all times, except during total eclipses.
False
The core of the Sun is the interior or center part of this star.
True
The sunspot cycle is a pattern of solar activity where the average number of sunspots gradually _______________________________ and _____________
Increases, decreases
Proton-proton chain reaction is:
The creation of energy through the process of nuclear fusion.
Which of the following does the Sun orbit?
The center of the Milky Way
.
About four million tons of __________________ are converted to energy in the Sun’s core every second.
Matter
Given that the Sun is estimated to be about five billion years old, scientists estimate that we are about halfway through its lifetime. This means that the Sun’s lifetime is expected to be what length of time?
10 billion years