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Astronomy in depth

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300 mm reflector Asteroid collision Astronomical distances Big bang Black holes Brightness of stars Cepheid variables Colours of metals flames & stars Comets Crab nebula Curtis-Shapley debate Dark matter Daylight summer Daylight winter Death of a star Earth's orbit and the seasons Epicycles and retrograde motion Equation of time Equinoxes Exploding stars Extraterrestrial life

Forces in stars Formation of the solar system Foucault's pendulum Galactic speeds Galaxies catalogue Horsehead nebula Impact effects Kepler's laws Life and death of stars Life on other planets Luminosity and brightness Lunar eclipse 2007 M81 Mars Mars November 2005 Measuring astronomical distances Men who shaped astronomy Meteors Moon - Mare Imbrium Planetary motion

Planetary motion - spinning Planetary gravity Pleiades Red shift Rotation of the Earth Seasons Slingshot Solar and sidereal days Space telescopes Spaceflight Stars through the year Sun at noon solstice Sundial Telescope mountings Theories of the solar system Tides Transit of Venus Xena Zero gravity

Problems

Astronomy revision questions Earth in the Universe 1 Earth in the Universe 2 Earth in the Universe 3

Life and death of stars Observing the Universe 1 Observing the universe 2 Observing the Universe 3

Observing the universe 4 Universe - origin and future

Experiments

Crater experiment Stars - brightness and distance

© Keith Gibbs 2019