There are a total of 88 constellations. Roughly how many of these can be seen at any given time from a single location on a clear night?
A) 66
B) 22
C) 11
D) 44
E) 80-85
Ans: D) 44
You might also like to view...
Calorimetry: A 600-g piece of iron at 100°C is dropped into a calorimeter of negligible heat capacity containing 100 g of ice at 0°C and 120 g of water, also at 0°C. What is the final temperature of the system? The specific heat of iron is 448 J/kg ? K, the latent heat of fusion of water is 33.5 × 104 J/kg, and the specific heat of water is 4186 J/kg ? K.
What will be an ideal response?
The Sun's surface, as we see it with our eyes, is called the
A) chromosphere. B) photosphere. C) corona. D) core.
A comet is found in a highly elliptical orbit to have a semi-major axis equal to one astronomical unit (AU). According to Kelper's 3rd law of what would be the sidereal period of this comet?
a. It will be more than one year. b. It will be one year. c. It will be less than one year. d. 76 years; the same for every comet e. Not enough information is given to determine.
In 20 minutes, Kara ran 2.40 km on a treadmill facing due east. Relative to the gym, what were her displacement and average velocity during this time interval?
a. 0; 0 b. 0; 2.00 m/s c. 2.40 km, east; 0 d. 2.40 km, east; 2.00 m/s, east e. 2.40 km, west; 2.00 m/s, west