What Makes the Crab Pulsar Somewhat Unusual Among Pulsars in General

question 75

Multiple Choice

What makes the Crab pulsar somewhat unusual among pulsars in general?

• A)It is the most intense source of X-rays in the sky.
• B)It is the fastest pulsar known.
• C)It is the oldest pulsar observed.
• D)Its period is not regular like other pulsars.
• E)It is rather bright at visible wavelengths.

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Definitions:

Synaptic Cleft

The tiny gap between two neurons, across which neurotransmitters travel to transmit nerve impulses.

Voltage-Gated Channel

A type of ion channel that opens or closes in response to changes in the electrical potential across a cell membrane.

Synaptic Vesicle

Synaptic vesicles are small sacs found in neurons that store various neurotransmitters released at the synapse during neurotransmission.

Presynaptic Terminal

The end of a nerve fiber that releases neurotransmitters to send a signal across a synapse to another nerve, muscle cell, or gland.