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Exploration and Space

The Cassini mission

Australian Explorers Routes

Transit of Venus

Detecting planets of other stars

How eclipses occur How the solar system works How falling bodies behave

Kepler's laws of planetary motion: Ellipses Equal areas Harmonic


Science and Engineering

Periodic Table of the elements How osmosis works How gases behave How lenses work

How a siphon works How pumps work How qanats work How tubewells work

Levers: First class lever Second class lever Third class lever


Nature and the Environment

How the water cycle works How reflections are formed How colors mix Heat transfer

How geological faults work How fossils are formed All about groundwater Facts about Reptiles