Orion constellation - PowerPoint PPT Presentation

Life story of a star

Life story of a star. Micro-world Macro-world Lecture 20. Life Cycle of Stars. Recycling Supernovae produce - heavy elements neutron stars black holes Martin Rees - Our Cosmic Habitat. Our favorite star: The Sun. R ๏ = 696,000 km (109 x R earth ) M= 2x10 30 kg

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Astronomy is a nocturnal activity

Astronomy is a nocturnal activity. 1953, T. E. Houck and A. D. Code. The sky above us. Stars dominate the night sky. Relative positions of stars remains fixed The whole pattern revolves around us Constellations – patterns in star distribution Constellations vary – related to mythology

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Harry Kroto 2004

Harry Kroto 2004. Orion Constellation. Harry Kroto 2004. Orion Constellation. Harry Kroto 2004. Orion Constellation. Harry Kroto 2004. Harry Kroto 2004.  Ori.  Ori.  Ori. HORSEHEAD. THE Orion Nebula. Harry Kroto 2004. Harry Kroto 2004. Hot gas cloud –the famous Orion Nebulae

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172 views • 15 slides

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