Why Is the Material That Accretes onto a Neutron Star

question 10

Multiple Choice

Why is the material that accretes onto a neutron star or black hole expected to emit X-rays?

• A)The material contains magnetic fields that will produce synchrotron radiation.
• B)Hydrogen nuclei begin to fuse and emit high energy photons.
• C)The material will become hot enough that it will radiate most strongly at X-ray wavelengths.
• D)As the material slows down it converts thermal energy to gravitational potential energy.

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Definitions:

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The variability in the amount of precipitation (rain, snow, hail, etc.) an area receives over a period of time.

Tropical Rainforest

A hot, moist biome found near Earth's equator, characterized by high biodiversity and dense vegetation.

Temperate Deciduous Forest

A biome characterized by four seasons with trees that lose their leaves annually, found in regions with warm summers and cool winters.

Taiga

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