'Supernovae' presentation slideshows

Cosmic Explosions in the Universe

Cosmic Explosions in the Universe. Poonam Chandra Royal Military College of Canada. Page # 1. Poonam Chandra. 13 th Sept 2011. Universe is 14 billion years old. Our sun is 5 billion years old. Supernovae and Gamma ray bursts explosions lasting fraction of a second to few seconds.

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???????. ????????? ???. Supernovae are vast explosions in which a whole star is blown up. They are mostly seen in distant galaxies as `new' stars appearing close to the galaxy of which they are members. They are extremely bright, rivalling, for a few

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The Accelerating Universe

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GRID Applications

GRID Applications. Tu ?ba Ta?kaya Temizel 20 February 2006. Problems Where Grids Have Been Successful. Megacomputing problems: The problems are divided into parallel independent parts. Mega and seamless access problems: Integrate access, Use of multiple data and resources.

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Integrated Science

Stars & Life Cycle of Stars. Integrated Science. Birth of Stars. 1 st a huge cloud of nebula 2 nd as the density of the gas grows so does gravitational pull (more particles are collected) 3 rd the forming star is called a Protostar.

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LIGO in 30 seconds

Searching for gravitational waves with LIGO An introduction to LIGO and a few things gravity wave Dr. Michael Landry LIGO Hanford Observatory California Institute of Technology. LIGO in 30 seconds. 1. Gravitational Waves: Not EM or particles. 2. Gravitational Waves:

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Black Holes! And other collapsed stars

Black Holes! And other collapsed stars. Size of Star. Mass of Star. The Hertzsprung-Russell Diagram. What will happen to the Sun, once its fuel (hydrogen) ends?. Evolution phases of a star like the Sun. Sun today: age ~4.5 Gyrs; will last another ~5 Gyr (hydrogen burning).

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ICECUBE & Limits on neutrino emission from gamma-ray bursts

ICECUBE & Limits on neutrino emission from gamma-ray bursts. IceCube collaboration Journal Club talk 4.15.2011 Alex Fry. Outline. Neutrinos: The little neutral particles which are just right for exploring the universe. IceCube : A detector for neutrinos .

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The High-Density Symmetry Energy in Heavy Ion Collisions

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Supernova explosions

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Nucleosynthesis in Pop III, Massive and Low-Mass Stars

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Astrophysics

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Size and Scale of the Universe

Size and Scale of the Universe. Image courtesy of The Cosmic Perspective by Bennett, Donahue, Schneider, & Voit; Addison Wesley, 2002. Earth. Planet where we all live Comprised primarily of rock Spherical in shape 12,700 km in diameter

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The Evolution of Stars

The Evolution of Stars. Binary Star Evolution. About half the stars in the sky are binaries. These stars may begin life as separate entities, but often times this does not last. .

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Epoch of Reionization

Epoch of Reionization. History of Hydrogen. z > 1000: hot universe, hydrogen is ionized, universe is opaque to radiation z = 1000: hydrogen recombines, becomes transparent to radiation, CMB decouples from matter

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White Dwarf Stars

White Dwarf Stars. Low mass stars are unable to reach high enough temperatures to ignite elements heavier than carbon in their core become white dwarfs. Hot exposed core of an evolved low mass star.

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Comparing Supernova Remnants

Comparing Supernova Remnants . Angela Martinez December 16, 2006. Chandra Astrophysics Institute. Outline. What is a Supernova Remnant? Look at the parameters for Cas A, W49B, G11.2-0.3. Compare the parameters of the supernova remnants to each other.

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Cosmology Today

Cosmology Today. Cosmic Answers, Cosmic Questions. The universe is flat, 13.7billion years old , and it is composition is as follows:. What is dark matter? What is dark energy? What caused inflation? Why is there an excess of matter over antimatter. The Expanding Universe. Modern Cosmology.

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Supernova 1987A Progenitor

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