Search results for drag force

Space Exploration Sep 22, 2023

Solar sails could reach Mars in just 26 days

A recent study submitted to Acta Astronautica and currently available on the arXiv preprint server explores the potential for using aerographite solar sails for traveling to Mars and interstellar space, which could dramatically ...

Astronomy Sep 20, 2023

Black holes eat faster than previously expected: New finding might explain why quasars flare and fade so quickly

A new Northwestern University-led study is changing the way astrophysicists understand the eating habits of supermassive black holes.

Biotechnology Sep 18, 2023

Have researchers found the missing link to make easy protein sequencing possible?

There has been a real race among scientists to create a technology that enables easy protein sequencing. Professor of Chemical Biology Giovanni Maglia of the University of Groningen has now found the missing piece in the ...

Earth Sciences Sep 14, 2023

Why the Earth quakes: A closer look at what's going on under the ground

Earthquakes, large and small, happen every single day along zones that wrap around the world like seams on a baseball. Most don't bother anybody, so they don't make the news. But every now and then a catastrophic earthquake ...

Astronomy Sep 8, 2023

DART had a surprising impact on its target, according to recent observations

After NASA's DART mission slammed into asteroid Dimorphous in September 2022, scientists determined the impact caused tons of rock to be ejected from the small asteroid's surface. But more importantly, DART's impact altered ...

Space Exploration Sep 6, 2023

Examining the effect of different geometric porosities on aerodynamic characteristics of supersonic parachutes

The safe landing of the probe is one of the most difficult challenges in Mars exploration, and the Mars supersonic parachute is extremely important for this process. To date, all the successful Mars exploration missions have ...

Space Exploration Sep 6, 2023

Scientists study mode switching control for drag-free satellite based on region of attraction

In recent decades, drag-free satellites have been used in high-precision missions, such as testing the general relativity, verifying the geodetic and frame-dragging effects, measuring Earth's gravity field, etc. In space ...

Astronomy Aug 31, 2023

How does 'MAD' accretion form around a black hole?

An international scientific team has revealed for the first time the magnetic field transport processes in the accretion flow of a black hole and the formation of a "MAD"—a magnetically arrested disk—in the vicinity of ...

Environment Aug 24, 2023

Deadly heat wave in the central US strains infrastructure, transportation

Temperatures have soared in the central U.S., leading to deaths in some states as more dangerous heat is expected, a national weather service official said.

Economics & Business Aug 23, 2023

Junk fees and drip pricing: The underhanded tactics we hate yet still fall for

You see a fantastic offer, like a hotel room. You decide to book. Then it turns out there is a service fee. Then a cleaning fee. Then a few other extra costs. By the time you pay the final price, it is no longer the fantastic ...

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