Science

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A Stellar Waltz

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A Stellar Waltz

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ESO Instrument Finds Closest Black Hole to Earth

Invisible object has two companion stars visible to the naked eye

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ESO Instrument Finds Closest Black Hole to Earth

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Ultrasound for space offers remote diagnosis to patients on Earth

Radiologists are investigating people’s medical conditions and pregnancies remotely thanks to an ESA-backed robotic technology. The set-up enables medics to care for some patients at a distance during the coronavirus pandemic.

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Radiologist uses dummy to manipulate ultrasound probe remotely.

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Study: Could Dark Matter Be Hiding in Existing Data?

Current experiments’ detectors and data analyses efforts could be refocused to seek out newly suggested types of dark matter signals that may have been overlooked

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This image was produced by a simulation showing the evolution of dark matter in the universe.

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Newly Reprocessed Images of Europa Show 'Chaos Terrain' in Crisp Detail

Work is ongoing to refine images NASA's Galileo spacecraft captured of Europa as scientists prepare for exploration of Jupiter's icy moon.

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In this gallery of three newly reprocessed Europa images, details are visible in the variety of features on the moon's icy surface. This image of an area called Chaos Transition shows blocks that have moved and ridges possibly related to how the crust fractures from the force of Jupiter's gravity.

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Challenging a Plasma Assumption

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How can we improve our models of space plasmas like the solar wind?

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Can rain trigger a volcanic eruption

The notion that rain could lead to a volcanic eruption may seem strange, but scientists from the University of Miami in the USA, have used information from satellites, including the Copernicus Sentinel-1 mission, to discover that a period of heavy rainfall may have triggered the four month-long eruption of Hawaii’s Kilauea volcano in 2018.

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Kilauea eruption 2018.

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NASA’s Webb Telescope to Unravel Riddles of a Stellar Nursery

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This color-composite mosaic of the central part of the Orion Nebula is based on 81 images from the European Southern Observatory (ESO) Very Large Telescope at the Paranal Observatory in Chile. The famous Trapezium stars appear near the center, amid the Trapezium Cluster, the very crowded home of more than a thousand young stars. Researchers will train Webb on this region to study phenomena associated with the birth of stars and planets.

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Spins Point to How Black Hole Binaries Formed

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The Hanford (top) and Livingston (bottom) LIGO facilities, which work together to detect gravitational-wave signals.

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Sun Is Less Magnetically Active Than Similar Stars

An analysis of 369 solar-like stars shows that solar brightness variations are extremely weak

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Not very active: comparison of the brightness variations of the Sun with those of a typical Sun-like star.

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