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Space and astronomy
Astrophysics
astronomy
Solar System
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man in space
environment and energy
Environmental sciences - the climate crisis
Earth science
environmental issues
energy
transportation
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exact sciences
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nano-tech
military technology
futurology
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medicine
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history
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Research and development in Israel
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Israel in space
the defense industries
Academy and education
The galaxy NGC 2976. Photo: Hubble Space Telescope and researchers from the University of Washington in Seattle
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