Proxima Centauri Has an Absolute Visual Magnitude of 15

question 37

Multiple Choice

Proxima Centauri has an absolute visual magnitude of 15.5 and an apparent visual magnitude of 11.0. What is the distance to Proxima Centauri in units of pc?

• A) 0.1
• B) 10^0.1
• C) 10^-0.1
• D) None of the other choices are correct.

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Definitions:

Valence Shells

The outermost shell of electrons in an atom, which determines how the atom interacts chemically with other atoms.

Electrical Charge

A physical property of matter that causes it to experience a force when placed in an electromagnetic field, typically measured in coulombs.

Neutrons

Subatomic particles found in the nucleus of an atom, having no electric charge and a mass slightly greater than that of protons.

Electrons

Subatomic particles with a negative electric charge, found orbiting the nucleus of atoms and playing a crucial role in chemical bonds.