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25 Cards in this Set
- Front
- Back
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MOMENTUM |
Mass x Velocity |
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Gravitational Equilibrium in SUN |
Pressure outward from nuclear fusion & inward pull of gravity |
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Average Temperature of surface SUN |
approx. 6000 Kelvin |
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Temperature |
Average kinetic energy of molecules |
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KINETIC ENERGY |
1/2 Mass x Velocity squared |
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Acceleration Of GRAVITY |
9.8 squared meters per second |
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ATMOSPHERE ON EARTH |
Troposphere, stratosphere, thermosphere, exosphere |
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EPICYCLE |
circles upon circles |
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COMETS TAILS |
between orbit of mars and earth |
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ALLOWABLE ORBITS |
Elliptical, hyperbola, parabole |
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Layers of SUN |
Core, Radiation Zone, Convection Zone, Photosphere, Chromosphere, Corona |
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LITHOSPHERE |
upper part of mantle & crust |
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ANGULAR MOMENTUM |
Mass x (orbital) velocity x Radius |
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How long for PHOTONS to get through RADIATION ZONE |
Random Walk 1 million years |
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Energy production from Nuclear Processes |
Fusion FIssion |
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GRANULATION IN SUN |
Photosphere, hot bands of gases come up to surface, surrounded by dark band of cooler gases |
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GAPS in SATURNS Rings |
Cassini division |
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MASS IN MILKY WAY GALAXY |
Halo, surrounding galaxy |
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Where does RA start at 0 hours |
Sun appears to cross celestial equator northbound in first day of spring |
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DC is measured |
north and south of celestial equator 90 degrees south and 90 degrees north |
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Tempeature at core of sun |
10 million Kelvin to start fusion, average 15 million Kelvin |
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TELESCOPE |
light gathering power, angular resolution |
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CIRCUMPOLAR STAR |
never sets below horizon |
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PLASMA |
interior extremely high temperture |
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EMMISSION LINE |
Electron from low energy level to high energy level, then back down again |
