Groombridge 34 is an M2 main sequence star. Based on this information, which statement is true?
a. Groombridge 34 has a surface temperature that is more than the Sun
b. Groombridge 34 has mass that is greater than the Sun.
c. Groombridge 34 is less luminous than the Sun.
d. Groombridge 34 is more luminous than the Sun.
e. Groombridge 34 is located near the upper left hand corner on the HR diagram.
c
You might also like to view...
________ is the only planet with a mean density less than water
Fill in the blank(s) with correct word
A tsunami, an ocean wave generated by an earthquake, propagates along the open ocean at 700 km/hr and has a wavelength of 750 km. What is the frequency of the waves in such a tsunami?
A) 0.93 Hz B) 0.00026 Hz C) 1.1 Hz D) 6.8 Hz E) 0.15 Hz
Under which of the following conditions would a car have a westward acceleration?
A) As a car travels eastward with its velocity is increasing. B) A a car travels eastward with its velocity is decreasing. C) As a car travels westward with its velocity is decreasing. D) As a car travels westward with its velocity is constant. E) As a car travels eastward with its velocity is constant.
A Carnot air conditioner has a coefficient of performance of 17.0 and removes 72.0 MJ of thermal energy from the interior of a house every hour. How much power does it consume?
A) 1180 W B) 1320 W C) 520 kW D) 3.14 MW E) 1.25 MW