1) Which fundamental property of a star is most important in determining
its further evolution
a) chemical composition b) apparent brightness
c) mass d) age e) none of the above
2) X-rays and radio waves are similar in that
Questions on Electromagnetic Radiation and Spectroscopy:
01. List the different groups of the electromagnetic spectrum in order.
02. Which is shorter in wavelength, red or infrared?
03. To what is the amplitude of a wave related?
04. The color we perceive
Questions on Properties of Stars:
01. What is a binary star?
02. Approximately how many stars are there in the solar neighborhood?
03. What is a constellation?
04. When and where did the constellations originate?
05. The star name "gamma Orionis" is nomen
1) The Doppler effect
a) can tell you the velocity of a body but not whether it is approaching
b) can tell you whether a body is approaching or receding but not its
c) works for optical radiation but not for radio waves
d) could turn
1) Which type of galaxy contains the largest percentage of gas and dust?
a) elliptical b) spiral c) irregular d) interacting e) barred spiral
2) Which type of galaxy contains a significant population of young stars?
a) elliptical b) spiral c) irregular d)
1) What is the source of energy for stars?
a) chemical burning b) nuclear fission c) nuclear fusion
d) gravitational contraction e) all of the above are sources
2) Where was the carbon in your body manufactured?
a) the Big Bang b) a planetary nebula c) in
1) That the energy levels of the electrons in atoms have certain discrete
(or "allowed") values has been demonstrated by
a) the spectroscopic study of the interaction of light and matter
b) powerful electron microscopes that reveal the actual energy level
1) If the sun were suddenly to collapse into a black hole,
the gravitational force on earth would
b) become so strong that the earth would be "sucked" into the sun
c) decrease because black holes cause gravity at large distances
1) The diameter of the Milky Way is approximately
a) 10 light years
b) 1,000 light years
c) 100,000,000,000 light years
d) it is too large to measure
e) none of the above are correct
2) Globular clusters are located primarily
a) in the Galactic disk
1) Meteors that occur in showers are primarily
A) asteroid fragments B) interplanetary dust fragments
C) eucrites D) cometary debris E) Vespa fragments
2) Venus is nearly identical to the earth in terms of mass and diameter. What
is the principal componen