Which of the following statements about spectral types of stars is not generally true?
A) The spectral type of a star can be used to determine its distance.
B) The spectral type of a star can be used to determine its surface temperature.
C) The spectral type of a star can be used to determine its color.
D) The spectral type of a star can be determined by identifying lines in the star's spectrum.
A) The spectral type of a star can be used to determine its distance.
You might also like to view...
In the very first phase after the big bang, when the Universe was about a microsecond old, space was filled with____
a. high-energy photons b. protons and antiprotons c. protons, neutrons, electrons, and positrons (anti-electrons) d. electrons, and positrons (anti-electrons) e. protons, neutrons, electrons
Debris blasted from the impact of a crater is called ____
a. ejecta b. maria c. sinuous rilles d. multiringed basin e. central peak
The eighteenth-century naturalist Carolus Linnaeus is known for creating:
a. the theory of natural selection b. a system for naming and classifying organisms c. the biological species concept d. the first microscope e. the scientific method
Which of the following involves the greatest heat transfer?
a. One gram of steam at 100°C changing to water at 100°C. b. One gram of ice at 0°C changing to water at 0°C. c. One gram of water cooling from 100°C to 0°C. d. One gram of ice heating from ?100°C to 0°C.