1. The stellar parameter that best determines a star's location on the main sequence is: Select one: a.radial velocity b.composition c.mass d.radius e.age 2. The Sun will end its life (i.e. after its Red Giant phase) as a: Select one: a.Neutron star b.Supernova c.White Dwarf d.Black hole e.Pulsar 3. What is NOT an advantage of star clusters as a laboratory to learn about stellar evolution? Select one: a.All stars have the same age b.All stars have the same chemical composition c.All stars have the same mass d.All stars at the same distance e.All stars experience the same interstellar absorption 4. The main sequence "turnoff" allows astronomers to estimate the: Select one: a.number of main sequence stars in a cluster b.mass of a cluster c.age of a star cluster d.radial velocity of a cluster e.number of evolved stars in a cluster 5. What is NOT true about a red giant star?
1. The stellar parameter that best determines a star's location on the main sequence is: Select one: a.radial velocity b.composition c.mass d.radius e.age 2. The Sun will end its life (i.e. after its Red Giant phase) as a: Select one: a.Neutron star b.Supernova c.White Dwarf d.Black hole e.Pulsar 3. What is NOT an advantage of star clusters as a laboratory to learn about stellar evolution? Select one: a.All stars have the same age b.All stars have the same chemical composition c.All stars have the same mass d.All stars at the same distance e.All stars experience the same interstellar absorption 4. The main sequence "turnoff" allows astronomers to estimate the: Select one: a.number of main sequence stars in a cluster b.mass of a cluster c.age of a star cluster d.radial velocity of a cluster e.number of evolved stars in a cluster 5. What is NOT true about a red giant star?
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Transcribed Image Text:1. The stellar parameter that best determines a star's location on the main sequence is:
Select one:
a.radial velocity
b.composition
c.mass
d.radius
e.age
2. The Sun will end its life (i.e. after its Red Giant phase) as a:
Select one:
a.Neutron star
b.Supernova
c.White Dwarf
d.Black hole
e.Pulsar
at is NOT an advantage of star clusters as a laboratory to learn about stellar evolution?
Select one:
a.All stars have the same age
b.All stars have the same chemical composition
c. All stars have the same mass
d.All stars at the same distance
e.All stars experience the same interstellar absorption
4. The main sequence "turnoff" allows astronomers to estimate the:
Select one:
a.number of main sequence stars in a cluster
b.mass of a cluster
c.age of a star cluster
d.radial velocity of a cluster
e.number of evolved stars in a cluster
5. What is NOT true about a red giant star?
Select one:
a.lt is powered by the fusion of H to He in its core
b.lt is more luminous than it was on the main sequence
c.It is as cool as or cooler than it was on the main sequence
d.It is nearing the end of its life as a star
e.It is composed primarily of H and He
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