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12 Cards in this Set
- Front
- Back
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Stereoscopic Vision |
the wan an animal's brain combine the different information from its two eyes to perceive the distance to objects |
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filter |
an instrumental element that transmits a limited wavelength range of light |
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Photosphere |
the sun's apparent surface |
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Chromosphere |
the region of the sun's atmosphere located between the photosphere and corona |
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Corona |
hot, outermost part of the sun's atmosphere` |
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H II Region |
region of interstellar gas that has been ionized by UV radiation |
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Hayashi Track |
path that a protostar follows on an hr diagram as it gets to the main sequence |
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T Tauri Stars |
Young STELLAR OBJECT THAT HAS DISPERSED ENOUGH OF THE SURROUNDING MATERIAL TO BE VISIBLE |
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Red Giant |
Low mass star evolved past main sequence and is now fusing helium around a degenerate helium core |
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Tri Alpha Process |
nuclear fusion reaction combining 3 helium nuclei to make a single carbon |
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Horizontal Branch |
region of the HR diagram defined by stars burning helium to carbon in a stable core |
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Planetary Nebula |
an expanding shell of material ejected by a dying asymptotic giant branch star |
