If tonight is a full Moon then in about two weeks it will be a _______ Moon.
Fill in the blank(s) with correct word
Question 2Which of the following cannot be determined from the spectrum of a star?
a. chemical composition
b. surface temperature
c. radial (along line of sight) velocity
d. tangential (perpendicular to line of sight) velocity
e. radial (along line of sight) velocity
Question 3The __________ is the region of total shadow.
Fill in the blank(s) with correct word
Question 4The H line has a wavelength of 434.0 nm when observed in the laboratory. If the H line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?
a. 346 km/s away from the observer
b. 346 km/s toward the observer
c. 1.3 108 m/s away from the observer
d. 1.3 108 m/s toward the observer
e. The radial velocity of the star cannot be determined from this information.
Question 5Choose the correct word(s) that make the statement true. A (lunar, solar) eclipse occurs when the Moon is (new, quarter, gibbous, full) and the ordering of aligned celestial objects is always Sun, Moon, Earth.
What will be an ideal response?
Question 6The H line has a wavelength of 410.2 nm when observed in the laboratory. If the H line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?
a. 146 km/s away from the observer
b. 146 km/s toward the observer
c. 6.0 107 m/s away from the observer
d. 6.0 107 m/s toward the observer
e. The radial velocity of the star cannot be determined from this information.
Question 7Choose the correct word(s) that make the statement true. A (lunar, solar) eclipse occurs when the Moon is (new, quarter, gibbous, full) and the ordering of aligned celestial objects is always Sun, Earth, Moon.
What will be an ideal response?
Quick Reply
