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21 Cards in this Set
- Front
- Back
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Open Universe |
Universe that continues to expand until all stars burn out. |
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Closed Universe |
Periodically expands, then contracts back on itself. |
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Quasar |
Star like object that give off radio waves |
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Red shift |
? |
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Fission |
Fission is uranium atoms splitting apart when an atom is split and realeases a lot of energy |
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Fusion |
Fusion is when 2 atoms form together to make a new one Fusion is hydrogen atoms coming together |
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Spectroscope |
Instrument that determines the composition of stars. |
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Spectrometer |
measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. |
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Composition |
? |
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Nebula |
Cloud of Gas and Dust |
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Neutron Star |
Diameter of 16 km Smallest star Neutron stars are thought to form by the gravitational collapse of the remnant of a massive star after a supernova explosion, provided that the star is insufficiently massive to produce a black hole. |
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Prostar |
the hot contracting cloud of dust and gases |
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White Dwarf |
Smaller than Earth |
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Black dwarf |
Dead Star A black dwarf is a white dwarf that has sufficiently cooled that it no longer emits significant heat or light. |
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Supernova |
When a star breaks apart ina tremendous explosion |
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Pulsar |
A rapidly rotating neutron star, that emits regular pulses of radio waves and other electromagnetic radiation at rates of up to one thousand pulses per second. |
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Black hole |
A black hole swallows matter and energy, in a black hole the core the gravity becomes so strong that even light cant escape |
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Massive Star |
Any star which is larger than 8 solar masses during its regular main sequence lifetime is considered a massive star. |
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Spagettification |
? |
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6 Elements essential to life |
Carbon, Nitrogen, Phosphorus, Oxgen, Hydrogen, Sulfur |
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Organic Chemistry |
study of carbon based molecules |
