Daily News update on – Science


March 21, 2023
NEWS

Space.com

Watch Jupiter meet the moon and Mercury this week before leaving the night sky

It teamed with Venus at the start of the month, making for a stunning sight in the western evening twilight. But the giant of the solar system still has two more appointments on its docket to keep during the time frame running from March 22 to 27.

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Space.com

DART mission reveals asteroid Dimorphos is dry as a bone

Six months after NASA slammed a spacecraft into an asteroid at high speed, scientists are beginning to gain a clearer picture of the mission’s target. Careful scrutiny of the debris from the impact of NASA’s DART mission into Dimorphos has not found …

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Space.com

Two moons of Uranus may have active subsurface oceans

Two of Uranus’ moons may have active oceans that are pumping material into space, a new study finds. The realization that there may be more happening in the Uranus system than previously believed came via the discovery of strange features in radiation …

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Space.com

Mysterious radio signal reveals intricate core of distant galaxy cluster

A puzzling radio emission from a galactic cluster located in the constellation may come from the 1.66 million light-year-long radio tail of its dominating central galaxy. The team that made this discovery also found evidence of mergers between galaxies …

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Space.com

Watch solar tornado as tall as 14 Earths hurl plasma cloud into space (video)

NASA’s Solar Dynamics Observatory captured what might be ‘the tallest tornado’ in the solar system swirling across the north pole of the sun. The twisting filament of boiling plasma kept growing in the sun’s atmosphere for three days last week, …

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Space.com

Building block of life found in sample from asteroid Ryugu

One of the four nucleobases of RNA has been discovered in samples retrieved from the asteroid Ryugu, providing the strongest evidence yet that the organic building blocks for life on Earth came from space. In December 2020, Hayabusa2, a mission of the …

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CNN

‘Marsupial sabertooth’ had massive canines with roots that grew over the top of its skull

In order to successfully hunt prey and survive, the “marsupial sabertooth,” called Thylacosmilus atrox, adapted to view the world in a unique way, according to new research, because its canine teeth that jutted downward from its mouth were so large that …

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Phys.Org

Surprise in the quantum world: Disorder leads to ferromagnetic topological insulator

Magnetic topological insulators are an exotic class of materials that conduct electrons without any resistance at all and so are regarded as a promising breakthrough in materials science. Researchers from the Cluster of Excellence ct.qmat in Würzburg …

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Phys.Org

Optical switching at record speeds opens door for ultrafast, light-based electronics and computers

Now imagine that level of computing power as the industry standard. University of Arizona researchers hope to pave the way for that reality using light-based optical computing, a marked improvement from the semiconductor-based transistors that currently …

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Space.com

Astronauts that hibernate on long spaceflights is not just for sci-fi. We could test it in 10 years.

The first hibernation studies with human subjects could be feasible within a decade, a European Space Agency (ESA) researcher thinks. Such experiments would pave the way for a science-fiction-like …

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