How much larger is the sun than the earth for diameter
How much larger is the sun than the earth in volume
What is the speed of light in km/s
What are the steps of the scientific theory
How many different sky regions are there for constellations
What stars make up the summer triangle (alphabetical)
What property of the colors of the rainbow make them different from each other
They have different speeds in a vacuum
Only certain colors of light are electromagnetic radation
They have different wavelenghts
Only blue and violet light consist of photons
None of the above
How many nanometers is h alpha
How many nanometers is h beta
Is this continuous, emission, or absorption : incandescent light bulb
Is this continuous, emission, or absorption : photosphere light bulb
Is this continuous, emission, or absorption : bright interstellar cloud
Is this continuous, emission, or absorption : heated bar of iron
Is this continuous, emission, or absorption : neon sign
When an electron moves from a smaller orbit to a larger orbit, a photon is
Emitted
Absorbed
Either emitted or absorbed
What is the radius of the sun in km
What is the average density of the sun in kg/m^3
What is the average density of the earth in kg/m^3
what is the luminosity of the sun in watts
What is the temprature required for nuclear fusion in K
What fraction of mass in the sun is converted to energy from hydrogen in %
What is the central density of the sun in kg/m^3
What is the central temperature of the sun in millionK
What is the surface area of the temperature in K
What is the length of a sunspot cycle in years
What is a jet of hot gas shooting upward in the chromosphere
What is a looping region of hot gas, supported by magnetic field, that extends into the corona
What is a violent outburst of radiation and particles from a small area in the solar atmosphere
What is a release of a huge balloon-shaped region of high-energy gas from the corona into the solar wind
A parsec is a measure of
How many stars are in the milky way galaxy
How long is the milky way in diameter in ly
How thick is the milky way in ly
Which expression gives the number of times, N, that the sun has orbited the center of the milky way galaxy if the age of the sun is A and the orbital period is P
N = A x P
N = A + P
N = A / P
N = A - P
N = A x P^2
Which of the following objects is least likely to be found in the halo of the milky way galaxy
White dwarf
Old, low mass main sequence star
Young, high mass main sequence star
Globular star cluster
Brown dwarf
In what constellation is the center of the milky way galaxy located
Andromeda
Ursa major
Sagittarius
Lyra
Taurus
The outer halo of the milky way galaxy is primarily composed of
Main sequence stars of all masses
Red giant stars
Stars similar to the sun
Horizontal branch stars
Dark matter
What percent of the galaxy is dark?
A standard candle has a known (blank). By measuring its apparent brightness, we can determine its (blank)
Mass, distance
Luminosity, mass
Mass, rotation rate
Luminosity, distance
Temperature, luminosity
In comparison to the other galaxies in the local group, the milky way and the andromeda galaxy are
Smaller than average size
About average size
Larger than average size
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