Does anyone know any of these?
1.Which of the following stellar spectral classes would most likely
experience a supernova event?
a. O
b. K
c. G
d. M
2.What happens to the magnitude of an older star as its luminosity
increases?
a. magnitude increases
b. magnitude is unaffected
c. magnitude decreases
d. magnitude fluctuates
3.Which of the following cannot occur to a one solar mass star similar to
the Sun?
a. formation of a cooling black dwarf
b. development of a black hole
c. formation of a red giant
d. a correct answer does not appear for this question
4.Which of the following is most similar in composition to Jupiter?
a. white dwarf
b. brown star
c. planetary nebula
d. black dwarf
5.White dwarfs resulting from 1 solar mass stars are primarily composed of
a. carbon
b. helium
c. silicon
d. iron
6. The magnitude of a star _____ during a supernova event.
a. increases
b. decreases
c. is unaffected
d. fluctuates constantly
7. The fusion of hydrogen can only occur in the Sun’s
a. convective zone
b. radiative zone
c. corona
d. core
8. What is the minimum mass for a main sequence star?
a. 0.01 M
b. 0.08 M
c. 0.50 M
d. 0.70 M
9. The Sun cannot be destroyed by a supernova because
a. the total mass is insufficient
b. the solar interior is too hot
c. the volume exceeds 100 solar masses
d. G class stars are not part of a binary system
10. Which of the following spectral class stars would have the longest
lifespan?
a. O
b. K
c. M
d. G
11.Which of the following would not occur during the proton-proton chain
sequence?
a. formation of helium
b. formation of deuterium
c. absorption of multiple neutrinos by the hydrogen atom’s nuclei
d. gamma ray production
12. The northern and southern lights result from
a. charged particles from the solar wind striking the upper atmosphere
b. the increased production of helium in the solar core
c. the inability of low energy photons to escape the solar corona
d. the expansion of the Earth’s thermosphere
13. The Sun is a G-2 type star with a absolute magnitude of +4.8. If another
star had a magnitude of + 5.8, it would be
a. approximately 2.5 x dimmer
b. 100 X brighter
c. 500 X greater in luminosity
d. at least 10X larger in diameter
14. When the one solar mass star eventually reaches the Red Giant stage, the
core will be primarily composed of
a. hydrogen
b. helium
c. carbon
d. iron
15. Which of the following would not be part of a black hole concept?
a. X-rays
b. accretion disk
c. form from stars similar in mass to the Sun
d. extreme gravitational forces
True or False.
31. Neutron stars are believed to have weak magnetic fields.
T
F
32. The smaller the mass that a black hole has, the larger the event horizon
will be.
T
F
33. If the mass that forms the black hole is not rotating, the forming black
hole will not rotate either.
T
F
34. The matter inside a black hole has zero mass.
T
F
35. Red giant stars only produce energy from gravitational contraction.
T
F
I would appreciate the help! Thanks!
