The star's color index is a quick way of determining its:
A) density.
B) luminosity.
C) mass.
D) temperature.
E) composition.
D
You might also like to view...
The core of a long solenoid with 1000 turns/m and a current of 0. 5 A is filled with an unknown material. It is found that the magnetic field along the axis of the solenoid increases by 0.0017%
What is the magnetic susceptibility of the unknown material? A) 1.7 × 10-5 B) 3.4 × 10-5 C) 0.0048 D) -3.4 × 10-5 E) 0.0021
Which properties affect the location of the habitable zone?
A. Star size B. Exoplanet semi-major axis C. Number of exoplanets in the system D. All of these choices are correct. E. None of these choices are correct.
The excited state of a certain atom is 3.2 eV ± 0.21 eV. (a) What is the average lifetime of this state? (b) If the excited energy doubled (6.4 eV ± 0.21 eV) how would the lifetime be affected?
What will be an ideal response?
The pressure on your left palm is __________ the pressure on your right palm
Fill in the blank(s) with correct word