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Daily News update on – Science

⋅ August 21, 2024
NEWS
CNN

Rare hypervelocity star may be able to escape the Milky Way
CNN
An artist’s illustration depicts a low-mass star that was sent on a speedy trajectory that could take it out of the Milky Way after its white dwarf companion exploded in a supernova. Adam Makarenko …
Space.com

Scientists collect high-resolution images of the North Star’s surface for 1st time
Space.com
In our solar system, scattered across one of Earth’s verdant mountains, six eggshell-white telescopes gaze into the deep universe. As one cohesive hive, the domed structures collect cosmic light to guide modern astronomers exploring space — and it is …
Space.com

What happens if you throw a star at a black hole? Things get messy (video)
Space.com
Thankfully, actual black holes and stars can’t be smashed together in the lab! However, scientists can use advanced supercomputer modeling to simulate a black hole ripping apart and devouring a star in a so-called “tidal disruption event” or “TDE.” …
Space.com

Perseverance rover’s Mars samples must be brought back to Earth, scientists stress
Space.com
NASA’s Perseverance rover, which has been exploring the ancient lakebed in Jezero crater since landing there in Feb. 2021, holds 43 sample tubes in which it continues to stash Martian material of scientific interest.
Space.com

Jupiter-bound JUICE probe slingshots by Earth on way to Venus (photos)
Space.com
The European Space Agency’s JUICE spacecraft — which stands for Jupiter Icy Moons Explorer — has completed a historic, first-of-its-kind flyby of Earth and the moon. The craft, which launched on April 14, 2023, is now heading toward a flyby of Venus, …
Space.com

Space mining startup AstroForge aims to launch historic asteroid-landing mission in 2025
Space.com
That launch will send AstroForge’s 440-pound (200 kilograms) Vestri probe to dock with a metallic near-Earth asteroid — an unprecedented leap for a commercial spacecraft. “If …
The New York Times

How Did the First Cells Arise? With a Little Rain, Study Finds.
The New York Times
Rain may have been an essential ingredient for the origin of life, according to a study published on Wednesday. Life today exists as cells, which are sacs packed with DNA, RNA, proteins and other molecules. But when life arose roughly four billion …
Space.com

Astrophotographer captures Saturn vanishing behind the moon in mesmerizing photo
Space.com
a detailed view of the moon with saturn passing behind it then reappearing. Lunar occultation in the early hours on Aug. 21, 2024. (Image credit: Josh …
The New York Times

Under a Frozen Army Base, He Found Incredible Fossils
The New York Times
When Paul Bierman, a geologist at the University of Vermont, began studying some of these samples, he made a surprising discovery. Scientists had once believed that Greenland’s ice sheet had been largely stable for the last 2.6 million years.
Scientific American

The Wow! Signal Might Not Have Been Aliens—But a Weird Cosmic Outburst
Scientific American
A new explanation for the Wow! signal suggests it was a chance detection of a furious flare crashing into a hydrogen cloud. But some researchers doubt that this idea has truly cracked the case. By Robin George Andrews. Printout of a narrowband radio …