'Radiation pressure' diaporamas de présentation

Elements of the Solar System, Exploring Extrosolar Planets and Evolution of Planetary Systems

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GRB

GRB. Useful reviews: Waxman astro-ph/0103186 Ghisellini astro-ph/0111584 Piran astro-ph/0405503 Meszaros astro-ph/0605208 Useful links http://www-astro.physics.ox.ac.uk/~garret/teaching/ http://www.cv.nrao.edu/course/astr534/. Theory and observations.

1.37k views • 110 slides

Lives and Deaths of Stars

Lives and Deaths of Stars. Milky Way Galaxy. 28,000 light years. 200 billion stars. 100 billion galaxies in the observable Universe. 10 day exposure photo!. Over 1500 galaxies in a spot 1/30 the diameter of the Moon. Farthest and oldest objects are 12-13 billion light years away!.

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The world is not coming to an end in 2012.

The world is not coming to an end in 2012.

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Lecture 13 Electromagnetic Waves Ch. 33

Lecture 13 Electromagnetic Waves Ch. 33. Cartoon Opening Demo Topics Electromagnetic waves Traveling E/M wave - Induced electric and induced magnetic amplitudes Plane waves and spherical waves Energy transport snd Intensity of a wave Poynting vector Radiation Pressure produced by E/M wave

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Hydrogen burning under extreme conditions

Hydrogen burning under extreme conditions. Scenarios:. Hot bottom burning in massive AGB stars (> 4 solar masses) . (T 9 ~ 0.08). Nova explosions on accreting white dwarfs. (T 9 ~ 0.4). X-ray bursts on accreting neutron stars. (T 9 ~ 2). accretion disks around low mass black holes ?

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The Threat of Parametric Instabilities in Advanced Laser Interferometer Gravitational Wave Detectors

AIGO. The Threat of Parametric Instabilities in Advanced Laser Interferometer Gravitational Wave Detectors. Li Ju Chunnong Zhao Jerome Degallaix Slavomir Gras Pablo Barriga David Blair. Contents. Parametric instabilities Minefield for Advanced Detectors Suppression of instabilities

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The Origin of the Solar System

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The Origin of the Solar System

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Gravitational Waves Generating Phenomena and Detection

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Fundamental Physics at ESA

Fundamental Physics at ESA. J. Clavel ESA Science Directorate. Overview. Two dedicated missions in the Science Directorate LISA Pathfinder LISA Missions with aspects of FP in the Science Directorate Gaia Planck Mission concepts under assessment Fundamental Physics Explorer

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Precise Orbit Determination of the GIOVE Satellites

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The Origin of the Solar System

0. The Origin of the Solar System. Chapter 16:. 0. The Great Chain of Origins: Early Hypotheses. 1) Catastrophic hypotheses Example: passing star hypothesis: . Star passing the sun closely tore material out of the sun, from which planets could form (no longer considered).

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Hot Cores and High Mass star formation

Hot Cores and High Mass star formation. Malcolm Walmsley (Arcetri Observatory). Orion in NH3 (Mid 70s). Al Barrett and collaborators at MIT noticed a blue shifted component in their NH3 line profiles towards Orion-KL It was most apparent in the highly excited transitions tracing hot gas.

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Rendezvous with a Comet

Rendezvous with a Comet. Courtesy: Pat Rawlings - Deep Impact -NASA & JPL. Introduction. The history of comet watching dates back to 1000 BC from the Chinese records and Chaldea, a place in present Iraq. Comets have been regarded as omen, even as recently as 1986. Battle of Hastings - 1066

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Lecture 23

Physics 2102 Jonathan Dowling. Lecture 23. AC Circuits: Power Electromagnetic waves. Driven RLC Circuits: Summary. E = E m sin( ? d t); I = I m sin( ? d t - ? ). X C =1/( w d C), X L = w d L . At resonance: X L =X C ; w d 2 =1/LC; f =0; Z =R (minimum), E m =E m /R (maximum) .

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About Omics Group

About Omics Group.

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Single Molecule Studies of DNA Mechanics with Optical Tweezers

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Minor Members of the Solar System

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Thermal & Radiometric Forces

?. Hot. Cold. d p. T 1 , c 1. T 2 , c 2. Thermal & Radiometric Forces. Reading: Chap. 8. http://aerosol.ees.ufl.edu/Thermophoresis/section01.html. Thermophoresis: Particle motion in a temperature gradient, from a hotter to a colder region. Molecular impacts on a particle

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