Although Neptune has no liquid metallic hydrogen in its interior, it does have a magnetic field
a. True
b. False
Indicate whether the statement is true or false
True
Physics & Space Science
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Which unit best represents a field of view?
a. seconds b. square centimeters c. Celsius d. km
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? star has a radius similar to that of the Sun but half the Sun’s luminosity. What is the surface temperature of this star using this data?
a. 0.84 TSun b. 0.43 TSun c. 1.2 TSun d. 2.4 TSun
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A tightly wound barred spiral would be classified as
A) S0. B) Sa. C) SBc. D) Sc. E) SBa.
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An atom's "atomic number" is
A) the number of protons in its nucleus. B) the number of electrons orbiting the nucleus of the neutral atom. C) Both of the above. D) the number of electrons orbiting the nucleus of the ionized atom. E) All of the above.
Physics & Space Science