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Introduction to Star Formation: Gravity and Nuclear Fusion

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Introduction to Star Formation: Gravity and Nuclear Fusion

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Questions and Answers

What type of heavy elements can be formed during a supernova?

Platinum, copper, iron

Lead, mercury, aluminum

Gold, silver, uranium (correct)

Lithium, helium, nitrogen

What distinguishes magnetars among other neutron stars?

Large size compared to other stars

High surface temperature

Low energy emissions

Extraordinarily powerful magnetic fields (correct)

Why is it impossible for anything, including light, to escape from a black hole?

Due to the extreme gravitational pull (correct)

Inability to generate enough speed

As a result of high surface temperature

Because of the strong electromagnetic force

What is a defining characteristic of neutron stars known as pulsars?

Rapid rotational periods Signup and view all the answers

What range of sizes do black holes exist in?

From stellar-mass to supermassive black holes Signup and view all the answers

Which object is located at the core of galaxies like SagiAarius A?

Supermassive black holes Signup and view all the answers

What is emitted by neutron stars known as pulsars?

Beams of electromagnetic radiation Signup and view all the answers

What type of emissions are associated with magnetars?

Gamma-ray bursts and X-ray emissions Signup and view all the answers

What phenomenon occurs during a supernova that leads to the formation of heavy elements?

Extreme temperatures and pressures Signup and view all the answers

What makes neutron stars known as magnetars unique?

Their extraordinarily powerful magnetic fields Signup and view all the answers