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PBS
Pbs Teachers: Origins: Earth Is Born
Collect micrometeorites from space -- remnants of the time when the solar system formed about 4.6 billion years ago. Create a sky dust collector, sort particularate matter according to attributes and identify micrometeorites by their...
Encyclopedia of Earth
Encyclopedia of Earth: Solar Radiation
Almost all of the energy that drives the various systems (climate systems, ecosystems, hydrologic systems, etc.) found on the Earth originates from the sun. Solar energy is created at the core of the sun when hydrogen atoms are fused...
PBS
Pbs Learning Media: All Planet Sizes
This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun.
PBS
Pbs Learning Media: Nisqually Glacier at Mount Rainier
Observe the Nisqually Glacier at Mount Rainier in this video segment from NatureScene. [4:07]