Term
| How massive can a white dwarf be? |
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Definition
| 1.4 times the mass of the sun |
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Term
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Definition
| an object that collapsed with such a high pressure that electrons and protons combines to create neutrons |
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Term
| True or false. Neutron stars have extremely high density. |
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Definition
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Term
| What explains why collapsing cores spin fast? |
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Definition
| the conservation of angular momentum |
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Term
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Definition
| neutron stars that spin very fast and emit pulses of radiation |
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Term
| What are glitches in the pulsar period probably from? |
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Definition
| the internal makeup of neutron star |
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Term
| Is pulsar rotation gradually increasing or slowing? |
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Definition
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Term
| What is 99.9% of the energy released by a pulsar due to? |
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Definition
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Term
| What are pulsar emissions modeled after? |
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Definition
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Term
| What are the remnants of a supernova from AD 1054 called? |
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Definition
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Term
| Why do some neutron stars move rapidly through space? |
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Definition
| non-uniformity of supernova explosion |
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Term
| what are neutron stars with the strongest magnetic fields called? |
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Definition
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Term
| In a binary pulsar, does the pulsar period lengthen when the pulsar is moving toward or away from earth? |
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Definition
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Term
| TRUE OR FALSE: Some pulsars have planets orbiting them |
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Definition
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Term
| Neutron stars cant exist with masses greater than...? |
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Definition
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Term
| Objects greater than 3Msun will collapse into a single point called? |
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Definition
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Term
| Objects greater than 3 solar masses are known as what? |
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Definition
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Term
| If earths radius decreases, what happens to the escape velocity from its surface? |
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Definition
|
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Term
| what is the limiting radius where the escape velocity reaches the speed of light? |
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Definition
|
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Term
| what is an event horizon? |
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Definition
| the outer boundary of a black hole |
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Term
| if a supernova remnant doesnt contain a neutron star, what could it contain? |
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Definition
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Term
| true or false. The gravitation fields of a black hole and a star of the same mass are indistinguisable at far distance. |
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Definition
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Term
| The vertical stretching of an object falling toward a black hole is called what? |
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Definition
|
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Term
| true or false: time will stop at the event horizon. |
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Definition
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Term
| Wavelengths at an event horizon are ______ shifted. |
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Definition
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Term
| why cant a black hole be observed directly? |
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Definition
| bc no light can escape a black hole |
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Term
| why cant a black hole be observed directly? |
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Definition
| bc no light can escape a black hole |
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Term
| Black holes and neutron stars part of a binary system are usually strong sources for what? |
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Definition
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Term
| what is created as accreted matter impacts onto a neutron star surface? |
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Definition
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Term
| accretion disks around black holes are strong sources for what? |
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Definition
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Term
| what is probably related to the deaths of very massive stars? |
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Definition
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Term
| The deaths of very massive stars are called what? |
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Definition
|
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Term
| what three quantities are black holes determined by? |
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Definition
1. mass
2. angular momentum
3. electric charge |
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Term
| what are the fastest pulsars? |
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Definition
|
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Term
| what are rotating black holes called? |
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Definition
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Term
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Definition
| where mass transfer puts matter on the surface of the neutron star |
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