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Showing results 1-11 of 88 for 'Astrophysics'

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    Searching for Dark Matter

    Astrophysicist Dr. Ron Budnik, recently recruited to the Weizmann Institute, is part of an international team of scientists that is creating new instruments in the hope of recording the first confirmed interactions between dark matter and normal matter. Dark matter is one of the biggest unsolved mysteries in physics.

  • Seeing_the_Light_Experimental_Astrophysics_and_the_Hunt_for_Supernovae
  • Science Tips, December 2011

    Three updates from the Weizmann Institute: performing secure cloud computing; evidence that endothelial cells may actively direct immune cells; and a possible new scenario for supernova development.

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    Weizmann Institute Instrument Bound for Jupiter

    The Institute is part of a European mission to Jupiter that aims to investigate our solar system's largest planet and several of its moons. Dr. Yohai Kaspi leads a team developing a super-precise atomic clock that will help scientists analyze atmospheric conditions. This will be the first time that an Israel device travels beyond Earth's orbit.

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    Super Supernovae

    Weizmann astrophysicist Dr. Avishay Gal-Yam writes in Scientific American about his hunt for supernovae, which resulted in, among other discoveries, finding a type of explosion more powerful than previously thought possible.

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    Israeli Eyes on Jupiter Orbiter

    NASA's Juno spacecraft will soon enter orbit around Jupiter – and the Weizmann Institute's Dr. Yohai Kaspi will be ready. He and other Institute researchers are part of a team of scientists who hope to answer pressing questions about the solar system's largest planet. Using tools Dr. Kaspi has developed, the team will have the opportunity to measure the differences in Jupiter's gravitational fields accurately and precisely – for the first time.

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    Supernova Discovery Reveals how the Biggest, Brightest Stars Die

    Even in a universe of stars, astronomers know of only a few hundred of the largest and most luminous: Wolf-Rayet stars. As Fox News reports, Weizmann's Prof. Avishay Gal-Yam and international collaborators have shown that these stars – more than 20 times the mass of our sun – die in massive explosions, providing the ingredients for planets and life.

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    Shedding Light on Dark Matter: Israeli, European and Arab Scientists Team Up

    It is theorized that dark matter comprises most of the universe – however, it has never been detected. Why not? As Weizmann's Dr. Ran Budnik tells <em>Haaretz</em>, ""about 100,000 dark matter particles pass through an area the size of a thumbnail each second."" But existing instruments aren't sensitive enough to identify the tiny particles. Enter XENON1T.

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    XENON1T Dark Matter Experiment Launched

    What is dark matter, the unseen stuff that makes up most of our universe? No one knows – yet. Thanks to the new XENON1T experiment, just inaugurated at the Gran Sasso lab in Italy, an international team of scientists will be able to search for dark matter with unprecedented sensitivity. Dr. Ran Budnik heads the Weizmann Institute's pivotal XENON1T team.