Two- Thirds of All Known Millisecond Pulsars Are Found in What

question 106

Multiple Choice

Two- thirds of all known millisecond pulsars are found in what type of object?

• A) open clusters
• B) globular clusters
• C) extremely distant galaxies
• D) emission nebulae
• E) giant molecular clouds

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Definitions:

Chemical Shift

In nuclear magnetic resonance (NMR) spectroscopy, chemical shift is the relative change in the frequency of nuclear magnetic resonance of a nucleus compared to a reference standard.

Aromatic Protons

Hydrogen atoms attached to the carbon atoms of an aromatic ring, characterized by distinct NMR signals.

Magnetic Field

A region around a magnetic material or a moving electric charge within which the force of magnetism acts.

Nuclear Magnetic Resonance

A spectroscopic technique that exploits the magnetic properties of certain atomic nuclei to determine the physical and chemical properties of atoms or the molecules in which they are contained.