'Earth atmosphere' diaporamas de présentation

Local News

Local News. Microbursts occurred right outside our classroom during class last Wednesday. Wind gusts reached 70 mph (hurricane force starts at 76mph). Microburst is typically very sharp, gusty and brief down-draft of air. Usually associated with thunderstorms (what goes up must come down) .

948 views • 78 slides

The Precambrian Record

The Precambrian Record. Key Events of Precambrian time. Acasta Gneiss is dated at 3.96 bya. It is near Yellowknife Lake , NWT Canada Zircons possibly a bit older in Australia. Precambrian 4.6 billion years to, say, 548 or 544 million years (depending on method).

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Formation of Earth and Moon Geochronometry Isotope tracing

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1. Ground-Based Observations of Mars and Venus Jeremy Bailey, Sarah Chamberlain, Andrew Simpson

1. Ground-Based Observations of Mars and Venus Jeremy Bailey, Sarah Chamberlain, Andrew Simpson (Australian Centre for Astrobiology, Macquarie University, Sydney) David Crisp, Vikki Meadows (Jet Propulsion Laboratory/Caltech) 2. Polarimetric Detection and Characterization of Extrasolar

398 views • 31 slides

Neutrino Novelties: Pointers to new physics?

Neutrino Novelties: Pointers to new physics?. DAE Golden Jubilee Colloquium Institute of Mathematical Sciences, Chennai May 19, 2004 Amitava Raychaudhuri University of Calcutta. Neutrino Novelties. Experimental results: solar and atmospheric neutrinos

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DARWIN

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Questions about Mars

Questions about Mars. What happened to the water on Mars ? Has all the water escaped or is it hidden in the ground and polar caps? What is the present and past climate of Mars What is the crustal history of Mars How and when did Mars experience differentiation of the surface?

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The Earth and Its Atmosphere (Introduction)

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Melting of the Arctic Permafrost

Melting of the Arctic Permafrost. By: Melissa R. What is the issue?. The permafrost is melting Greenhouse gases: Methane and Carbon are being released Methane and carbon traps the heat in our atmosphere. How does the issue relate to weather?. The weather will be warmer

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ENVIRONMENTAL PROTECTIN

ENVIRONMENTAL PROTECTIN. O. We must do everything possible to save our planet.

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Test question 10.1

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Comets, Asteroids, and Meteors

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Meteorites By Shaymus

Meteorites By Shaymus. What are Meteorites ?.

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