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Astronomy

  • A precise measurement of the magnetic field in the corona of the black hole binary V404 Cygni

    A black hole binary system contains plasma cooling by synchrotron radiation in a weaker-than-expected magnetic field.

  • Tougher than hell

    Transistors that thrive on heat and pressure could take spacecraft to the surface of Venus.

  • Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth

    Extended gamma-ray emission around nearby pulsars indicates that positrons arriving at Earth must have an exotic origin.

  • Signs of life

    Astronomers have found Earth-sized exoplanets. Now, they're figuring out how to detect life on them.

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