Sun’s Energy Source

Sun’s Energy Source

Sun’s Luminosity

_____ = 3.9 x 1026 watts [Note: 1 watt = ______ ]

Average power consumption by humans on Earth = ____________

Amount of sunlight reaching the Earth = ____________[ _____________________________ ]

Sun’s Energy Source

Nuclear fusionNet: _____________ [ _______________ ]

4 H atoms = _______________1 He atom = _______________

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = ____________

Amount of sunlight reaching the Earth = ____________[ _____________________________ ]

Sun’s Energy Source

Nuclear fusionNet: _____________ [ _______________ ]

4 H atoms = _______________1 He atom = _______________

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = _1.5 x 1013 W_

Amount of sunlight reaching the Earth = ____________[ _____________________________ ]

Sun’s Energy Source

Nuclear fusionNet: _____________ [ _______________ ]

4 H atoms = _______________1 He atom = _______________

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = _1.5 x 1013 W_

Amount of sunlight reaching the Earth = _7.1 x 1017 W_[ _~ 50,000 X more than humans use_ ]

Sun’s Energy Source

Nuclear fusionNet: _____________ [ _______________ ]

4 H atoms = _______________1 He atom = _______________

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = _1.5 x 1013 W_

Amount of sunlight reaching the Earth = _7.1 x 1017 W_[ _~ 50,000 X more than humans use_ ]

Sun’s Energy Source

Nuclear fusionNet: _4 H 1 He_ [ _4 p 2 p + 2 n_ ]

4 H atoms = _______________1 He atom = _______________

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = _1.5 x 1013 W_

Amount of sunlight reaching the Earth = _7.1 x 1017 W_[ _~ 50,000 X more than humans use_ ]

Sun’s Energy Source

Nuclear fusionNet: _4 H 1 He_ [ _4 p 2 p + 2 n_ ]

4 H atoms = _6.693 x 10-27 kg_1 He atom = _6.645 x 10-27 kg_

Mass Lost = _______________

Sun’s Energy Source

Sun’s Luminosity

_1 LO_ = 3.9 x 1026 watts [Note: 1 watt = _1 J/s_ ]

Average power consumption by humans on Earth = _1.5 x 1013 W_

Amount of sunlight reaching the Earth = _7.1 x 1017 W_[ _~ 50,000 X more than humans use_ ]

Sun’s Energy Source

Nuclear fusionNet: _4 H 1 He_ [ _4 p 2 p + 2 n_ ]

4 H atoms = _6.693 x 10-27 kg_1 He atom = _6.645 x 10-27 kg_

Mass Lost = _0.048 x 10-27 kg_

Example1.000 kg H _______ kg He [ Efficiency = ______ ]

E = mc2 = ( _________ )( _____________ )2 = ____________

This amount of energy is equivalent to burning ____________ of coal !!

To generate 3.9 x 1026 W _____________ of H are converted to He every second.

This also means that the Sun is losing ___________ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2

Example1.000 kg H _______ kg He [ Efficiency = ______ ]

E = mc2 = ( _________ )( _____________ )2 = ____________

This amount of energy is equivalent to burning ____________ of coal !!

To generate 3.9 x 1026 W _____________ of H are converted to He every second.

This also means that the Sun is losing ___________ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Example1.000 kg H _0.993_ kg He [ Efficiency = _0.7%_ ]

E = mc2 = ( _0.007 kg_ )( _3.0 x 108 m/s_ )2 = _6.3 x 1014 J_

This amount of energy is equivalent to burning ____________ of coal !!

To generate 3.9 x 1026 W _____________ of H are converted to He every second.

This also means that the Sun is losing ___________ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Example1.000 kg H _0.993_ kg He [ Efficiency = _0.7%_ ]

E = mc2 = ( _0.007 kg_ )( _3.0 x 108 m/s_ )2 = _6.3 x 1014 J_

This amount of energy is equivalent to burning _20 million kg_ of coal !!This is equivalent to the amount of energy 16,000 homes use in a year!!

To generate 3.9 x 1026 W _____________ of H are converted to He every second.

This also means that the Sun is losing ___________ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Example1.000 kg H _0.993_ kg He [ Efficiency = _0.7%_ ]

E = mc2 = ( _0.007 kg_ )( _3.0 x 108 m/s_ )2 = _6.3 x 1014 J_

This amount of energy is equivalent to burning _20 million kg_ of coal !!This is equivalent to the amount of energy 16,000 homes use in a year!!

To generate 3.9 x 1026 W _600 billion kg_ of H are converted to He every second.

This also means that the Sun is losing ___________ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Example1.000 kg H _0.993_ kg He [ Efficiency = _0.7%_ ]

E = mc2 = ( _0.007 kg_ )( _3.0 x 108 m/s_ )2 = _6.3 x 1014 J_

This amount of energy is equivalent to burning _20 million kg_ of coal !!This is equivalent to the amount of energy 16,000 homes use in a year!!

To generate 3.9 x 1026 W _600 billion kg_ of H are converted to He every second.

This also means that the Sun is losing _4 billion kg_ of mass every second which is transformed to energy (i.e. ____________________________)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Example1.000 kg H _0.993_ kg He [ Efficiency = _0.7%_ ]

E = mc2 = ( _0.007 kg_ )( _3.0 x 108 m/s_ )2 = _6.3 x 1014 J_

This amount of energy is equivalent to burning _20 million kg_ of coal !!This is equivalent to the amount of energy 16,000 homes use in a year!!

To generate 3.9 x 1026 W _600 billion kg_ of H are converted to He every second.

This also means that the Sun is losing _4 billion kg_ of mass every second which is transformed to energy (i.e. _light - electromagnetic radiation_)

E = mc2Energy [J]

Speed of Light [m/s]

Mass [kg]

Fun Sun Facts:

• The Sun is so large that ________ Earth’s could fit inside.• The Sun contains almost _______ of all the mass in the

solar system.• The Sun’s lifetime on the main sequence is _________

years.• The Sun is ________________ old now.• Out of the 50 closest stars, the Sun ranks ____ in mass.

Most stars are ___________ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _______ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _________ years.

• The Sun is ________________ old now.• Out of the 50 closest stars, the Sun ranks ____ in mass.

Most stars are ___________ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _________ years.

• The Sun is ________________ old now.• Out of the 50 closest stars, the Sun ranks ____ in mass.

Most stars are ___________ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is ________________ old now.• Out of the 50 closest stars, the Sun ranks ____ in mass.

Most stars are ___________ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is _4.57 billion years_ old now.• Out of the 50 closest stars, the Sun ranks ____ in mass.

Most stars are ___________ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is _4.57 billion years_ old now.• Out of the 50 closest stars, the Sun ranks _#4_ in mass.

Most stars are _less massive_ than the Sun.• The Sun’s nearest neighbor is ____________________

_____.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is _4.57 billion years_ old now.• Out of the 50 closest stars, the Sun ranks _#4_ in mass.

Most stars are _less massive_ than the Sun.• The Sun’s nearest neighbor is _Proxima Centauri 4.2

ly away_.• The Sun is ______________________ than when it was first

born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is _4.57 billion years_ old now.• Out of the 50 closest stars, the Sun ranks _#4_ in mass.

Most stars are _less massive_ than the Sun.• The Sun’s nearest neighbor is _Proxima Centauri 4.2

ly away_.• The Sun is _30% more luminous today_ than when it

was first born.• ___________ of antimatter per day would supply the

world’s energy needs.

Fun Sun Facts:

• The Sun is so large that _1 million_ Earth’s could fit inside.

• The Sun contains almost _99.9%_ of all the mass in the solar system.

• The Sun’s lifetime on the main sequence is _10 billion_ years.

• The Sun is _4.57 billion years_ old now.• Out of the 50 closest stars, the Sun ranks _#4_ in mass.

Most stars are _less massive_ than the Sun.• The Sun’s nearest neighbor is _Proxima Centauri 4.2

ly away_.• The Sun is _30% more luminous today_ than when it

was first born.• ____14 kg___ of antimatter per day would supply the

world’s energy needs.

Sun’s Energy Source