A105.2

What type of way does the stellar properties of the sun possess
About what percentage of the mass of the solar system is in the sun?
25%
50%
75%
90%
99%
Whats the radius of the sun in km
Whats the radius of the sun in terms of earth radii
Whats the mass of the earth in kg
What is the average density of the sun
Whats the average density of the earth
What is the luminosity of the sun
Where does nuclear fusion take place inside of the sun
Core, only
Core and radiation zone, only
Throughout the sun
None of the above, nuclear fusion does not take place in the sun
The pressure below each layer of the sun must support weight of that layer plus weight of the gas above it is what idea?
What energy generation mechanism can power the sun for billions of years?
Nuclear fusion
Ordinary oxidation (burning)
Nuclear fission
What state is the gas in the sun in
Is the nuclear fusion process in the sun, what fraction of the mass of hydrogen is converted directly into energy?
<1%
10%
25%
50%
90%
What percent of the mass of hydrogen is converted to energy
What is the central density of the sun
What percent of mass is on the inside of the sun's radius
What does density do as it goes outwards
Decrease
Increase
Which is closest to the temperature in the solar photosphere
1600K
6000K
12,000K
10^6K
1.6x10^7K
What is the central temperature of the sun
What are the two modes of energy transport for the sun (use and in between)
What are the two sections of the atmosphere of the sun (use and in between)
What are the two sections of the transition zone of the sun (use and in between)
In which region of the solar atmosphere do absorption lines arise
Photosphere
Chromosphere
Transition zone
Corona
Hot gases rising toward the sun's surface and cooler gases sinking downward is a description of (blank). Features undergoing this process are (blank).
Radiation, spicules
Convection, granules
Convection, prominences
Radiation, granules
Radiation, prominences
About how thick is the chromosphere
What is a jet of hot gas shooting outward
Does the temperature increase or decrease as the chromosphere goes outward
What is the length of a sunspot cycle
1 month
3 months
7 years
11 years
37 years
What is the approximate rotation period of the sun
1 day
1 week
1 month
1 year
None of the above; the sun does not rotate
How did galileo find that the sun rotates in about 4 weeks
In what year was sunspots at a maximum
What causes a shift in sun spots (use and in between)
What causes a solar flare
Nuclear fusion in the photosphere
Nuclear fission in the photosphere
Convection below the photosphere
A magnetic field instability
There is no known cause for solar flares
What is a looping region of hot gas extending into the corona
What is a violent release of energy and particles from small region in solar atmosphere
What is an ejection of huge balloon-shaped regions of high-energy gas from the corona
Where are aurora usually observed on earth
High northern latitudes, only
High southern latitudes, only
Both high northern and high souther latitudes
Near the equator
Solar winds contain mainly what two things (use and in between)
Compared with an electron, a neutrino has (blank) mass and (blank) charge.
Higher, the same
Lower, opposite
Higher, opposite
Lower, the same
Lower, zero
What is a very low mass, neutral particle that travels near the speed of light
How many neutrinos pass through each square cm of us
 
 
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