Pulsating X-Ray Sources Are Believed to Be

question 363

Multiple Choice

Pulsating X-ray sources are believed to be:

• A) white dwarfs with intense magnetic fields; the X-rays are generated by flares like those on the Sun only much stronger.
• B) spinning neutron stars in binary systems, emitting X-rays because of mass transfer onto the neutron star from its normal companion.
• C) the same as regular (optical) pulsars but observed in X-rays.
• D) black holes in binary systems, with an accretion disk around the black hole emitting X-rays.

---

Definitions:

Complementary Medicine

A group of therapeutic and diagnostic disciplines that are used together with conventional medicine, aiming to provide holistic care.

Alternative Medicine

Therapies and practices used instead of standard medical treatments, often including herbal remedies, acupuncture, and holistic therapies.

Health Conditions

Any disorder or disease that affects the well-being and functioning of the body.

Experiencing Pain

The personal encounter or feeling of discomfort or suffering, which may vary in intensity, duration, and type.