Daily News update on – Science


December 9, 2023
NEWS

Space.com

Colliding space junk makes ‘noise’ that could be heard from Earth

The estimated number of fragments in orbit that are smaller than 0.4 inches is 130 million, according to ESA. These bits are mostly invisible to current debris-tracking methods, such as ground-based radars and optical telescopes.

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Space.com

‘Dark force’ theory could solve 2 open cosmic mysteries

“Now there is an intriguing possibility that dark matter may be more complex and vibrant than we expected.” Comments (1). An illustration of a bright galaxy surrounded by a blueish halo. The background of space. An illustration of the dark matter halo …

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Space.com

An asteroid will eclipse the puzzling red star Betelgeuse on Dec. 11

A rare astronomical event will be perfectly positioned in the night sky on Monday (Dec. 11) for some parts of the world. On that evening, an asteroid will pass in front of the curious red star Betelgeuse, eclipsing it from our vantage point here on …

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Phys.Org

Saturday Citations: Extragalactic stars in the Milky Way, more biolinguistic evidence and couples coping with COVID

Dwarf galaxies are small, composed of up to several billion stars, often orbiting larger, more populous galaxies. The Milky Way has about 20. The researchers estimate that S0-6 is 10 billion years old and in their study, determined that its chemical …

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Space.com

NASA’s Ingenuity Mars helicopter gearing up for longest flight ever this weekend

The little chopper will cover more than half a mile of Martian ground on Saturday (Dec. 9), if all goes according to plan. Comments (0). a photo looking down at a sandy patch of martian ground, with boulders strewn near.

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Phys.Org

Current carbon dioxide levels last seen 14 million years ago

Environmental activists display placards during a demonstration at the venue of the COP28 United Nations climate summit in Dubai. The last time carbon dioxide in the atmosphere consistently matched today’s human-driven levels was …

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Space.com

SpaceX Falcon Heavy rocket set to launch secretive X-37B space plane on Dec. 10

According to a recent Space Force release, some of the objectives of the coming X-37B mission, known as OTV-7 (“Orbital Test Vehicle-7”), include “operating in new orbital regimes,” which, given the launch vehicle, may indicate a higher orbit than usual, …

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masslive.com

Here’s why Betelgeuse will have an eclipse visible from Earth next week

One of the brightest objects in the night sky is expected to be obscured in a once-of-a-kind type of celestial object, and it doesn’t involve the sun or Earth’s moon. The asteroid Leona is on track to pass through, by a vast distance, Earth’s view of …

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Voice of America

Asteroid Will Pass in Front of Bright Star, Produce Rare Eclipse

One of the biggest and brightest stars in the night sky will momentarily vanish as an asteroid passes in front of it to produce a one-of-a-kind eclipse. The rare and fleeting spectacle, late Monday into early Tuesday, should be visible to millions of …

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The Recorder

Get Growing: On Mars, gardening starts with bugs

Thus the need for insects that will generate Martian fertilizer to enrich regolith so it can sustain plant growth. Experiments are underway to combine frass — the excrement of larvae (in this case, the larvae of black soldier flies) — with simulated …

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