Apparent Magnitude 'm'
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Number that represents apparent brightness of stars as seen on Earth.
The larger the number the dimmer the object will
appear from Earth
What is earth atmosphere
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Layers of gas, retained by earth gravity, gets thinner and thinner with
increasing altitude, keeps surface warm through heat retention and its
mostly nitrogen (~78%) and oxygen (~21%)
,ozone depletion affects
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Since we receive very little UV from Sun, ozone depletion is not
contributing to global warming - but could contribute to increased skin
cancer where hole exists.
Atom Emission (Downward Arrows)
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When a charged electron emits energy as a photon and drops in energy
first magnitude
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As Sun sets, some stars are visible.
What wavelengths does the Sun emit?
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The sun emits all wavelengths of electromagnetic radiation (light)
, rise in suns core temp
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causes fusion rate to rise, so core expands and cools down.
Layers of physical Sun
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1. Core: Energy generated by nuclear fusion; ~15 million K
2. Radiation Zone: energy transported upward by photons; ~10 million K
3. Convection Zone: Energy transported upward by rising hot gas
Global warming
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Needs of large population of humans with regard to transportation, energy,
and industry is profoundly altering the Earth's atmosphere.
Non-natural, human-induced greenhouse effect leads to global warming
Increased levels of CO2 from burning of fossil fuels during industrial
revolution to present
Earth's magnetic field
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Number that represents apparent brightness of stars as seen on Earth.
The larger the number the dimmer the object will
appear from Earth
What is earth atmosphere
Give this one a try later!
Layers of gas, retained by earth gravity, gets thinner and thinner with
increasing altitude, keeps surface warm through heat retention and its
mostly nitrogen (~78%) and oxygen (~21%)
,ozone depletion affects
Give this one a try later!
Since we receive very little UV from Sun, ozone depletion is not
contributing to global warming - but could contribute to increased skin
cancer where hole exists.
Atom Emission (Downward Arrows)
Give this one a try later!
When a charged electron emits energy as a photon and drops in energy
first magnitude
Give this one a try later!
As Sun sets, some stars are visible.
What wavelengths does the Sun emit?
Give this one a try later!
The sun emits all wavelengths of electromagnetic radiation (light)
, rise in suns core temp
Give this one a try later!
causes fusion rate to rise, so core expands and cools down.
Layers of physical Sun
Give this one a try later!
1. Core: Energy generated by nuclear fusion; ~15 million K
2. Radiation Zone: energy transported upward by photons; ~10 million K
3. Convection Zone: Energy transported upward by rising hot gas
Global warming
Give this one a try later!
Needs of large population of humans with regard to transportation, energy,
and industry is profoundly altering the Earth's atmosphere.
Non-natural, human-induced greenhouse effect leads to global warming
Increased levels of CO2 from burning of fossil fuels during industrial
revolution to present
Earth's magnetic field
Give this one a try later!
