Daily News update on – Science


February 24, 2023
NEWS

CNN

Earliest evidence of bow and arrow use outside Africa unearthed in France

Grotte Mandrin, near Malataverne in the Rhône Valley, is a cave that was inhabited by early modern humans about 54,000 years ago. A research team recovered more than 300 tiny arrowheads intricately crafted in a style known as Neronian at the ancient site.

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Space.com

SpaceX rolls out rocket for NASA’s Crew-6 astronaut launch (photos)

SpaceX’s rocket ride for its next NASA astronaut launch from Florida is on the pad and ready for flight. Topped with a Crew Dragon capsule, the SpaceX Falcon 9 rocket rolled out of its hangar at Launch Pad 39A at NASA’s Kennedy Space Center in Cape …

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Space.com

The largest 2D map of the sky over Earth just got even bigger

An image of the relatively nearby galaxy cluster dubbed Abell 3158 is a tiny part of. The nearby galaxy cluster Abell 3158 imaged as part of the DESI Legacy Imaging Survey.

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Space.com

NASA’s Mars Reconnaissance Orbiter confirms that China’s Zhurong rover has been stationary for months

On Feb. 10, China’s Tianwen 1 mission — the country’s first interplanetary mission — celebrated its second anniversary in Mars orbit. But one major piece of the mission, the Zhurong rover, seems to have stalled, and there’s now photo evidence of its …

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The New York Times

What Sounds Did Dinosaurs Make?

But a research team has drawn clues about sounds the extinct creatures could have made from what might be the first known fossilized larynx of a dinosaur. It comes from an ankylosaur, a group of armored, plant-eaters that were not close relatives of birds.

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CNN

Surprising ‘forbidden planet’ discovered outside our solar system

Astronomers have found an unusually large planet orbiting a small star, located about 280 light-years from Earth. The unexpected size of the newly discovered world, called TOI 5205b, has led researchers to call …

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Phys.Org

Absence of the predicted 2022 October outburst of galaxy OJ 287 and its implications

A research group led by Stefanie Komossa (MPIfR Bonn, Germany) presents new results on the galaxy OJ 287, based on the most dense and longest radio-to-high-energy observations to date with telescopes like the Effelsberg telescope and the Swift …

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Space.com

Scientists find meteorite in Texas from fireball that exploded with the force of 8 tons of TNT

A meteorite found in Texas on Feb. 18, 2023. (Image credit: Robert Ward/American Meteor Society). Scientists have found a …

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Astronomy Magazine

The Sky This Week: A Jupiter/Venus conjunction

The Leo Triplet (M66 Group) is made up of M65, M66, and NGC 3628. It’s a small group of spiral galaxies approximately 30 million light-years away in the constellation Leo. Rogelio Bernal Andreo. Friday, February 24. The asteroid 2 Pallas sits nearly …

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Phys.Org

When material goes quantum, electrons slow down and form a crystal

The shifting, scintillating pattern you can see when you stack two slightly misaligned window screens is called moiré. A similar interference effect occurs when scientists stack two-dimensional crystals with mismatched atomic spacings.

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