Video Game Characters Posing With The Old Versions Of Themselves
VF-24 Fighting Renegades F-14A
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Me-Me-Mermaid! Time To Change!
A Guide to the Energy of the Earth
Energy moves in and out of Earth’s physical systems, and during any energy transfer between them, some energy is lost to the surroundings as heat, light, sound, vibration, or movement.
Our planet’s energy comes from internal and external sources. Geothermal energy from radioactive isotopes and rotational energy from the spinning of the Earth are internal sources of energy, while the Sun is the major external source, driving certain systems, like our weather and our climate.
Sunlight warms the surface and atmosphere in varying amounts, and this causes convection, producing winds and influencing ocean currents. Infrared radiation, radiating out from the warmed surface of the Earth, gets trapped by greenhouse gases and further affects the energy flow.
From the TED-Ed Lesson A guide to the energy of the Earth - Joshua M. Sneideman
Animation by Marc Christoforidis