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Yael Petar website opli.co.il

Neutron star. Figure: European Space Agency (ESA)

Researchers reveal a new phase in the life of a neutron star

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Matter surrounding a black hole. (NASA/Dana Berry/SkyWorks Digital)

For the first time physicists predict the birth of a black hole

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The pulsar PSR J0348+0432 system. Photo: NASA

Another victory for Einstein after a pair of stars in an extreme state put relativity to the hardest test ever

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Satellites fly at a density that can cause collisions. Illustration: European Space Agency (ESA)

European Space Agency: clean up space, urgent!

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Landmarks in the expansion of the universe. From Wikipedia

Scientists: The speed of light is not constant. Vacuum particles cause fluctuations in the speed of light

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The space shuttle Endeavor is docked at the space station as photographed from the Soyuz spacecraft that left the station. Photo: Paolo Nespoli, European Space Agency

"A startling action from a distance" inside the International Space Station

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Dr. Jerome Bonnet, Stanford University

Biological transistors allow living cells to act as a computer

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