Daily News update on – Science


May 27, 2022

NEWS

Space.com

Under certain conditions, meteors can reflect radio waves in the same way the ionosphere propagates transmissions between widely separated ham-radio operators. The ionosphere usually reflects frequencies below 30 megahertz (MHz), but it’s transparent to …

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Spaceflight Now

Three red, white, and blue parachutes slowed the capsule to gentle landing velocity of 17.7 mph (28.5 kilometers per hour). Airbags at the bottom of the spacecraft cushioned the jolt of touchdown, ending a long-delayed demonstration mission to the …

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Space.com

As Mars approaches its southern summer solstice, scientists and spacecraft are preparing for a new season of dust storms, mighty wind-driven clouds of dust that can cover thousands of square miles or even the entire planet.

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Space.com

NASA’s Mars helicopter Ingenuity cruised above some tracks made by its robotic partner on its most recent flight, as footage captured by the rotorcraft shows. The 4-pound (1.8 kilograms) Ingenuity conducted its 28th Red Planet flight on April 29, …

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Space.com

Sunspots are dark, planet-size regions of strong magnetic fields on the surface of the sun. They can spawn eruptive disturbances such as solar flares and coronal mass ejections (CMEs). These regions of the sun appear darker because they are cooler than …

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CNN

Ancient volcanic eruptions on the moon could provide an unexpected resource for future lunar explorers: water. Between 2 billion and 4 billion years ago, the moon was a volcanic hotspot. Tens of thousands of volcanoes …

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CNET

Oh, and a scorching exoplanet that probably doesn’t have any air. Monisha Ravisetti headshot. Monisha Ravisetti.

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The Weather Channel

A comet is an object made mostly of ice and dust, often with a gas halo and tail, that usually orbits the Sun. When comets orbit too close to the Earth, our gravity tends to pull fragments of it into the atmosphere. These fragments — or meteors — burn …

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Phys.Org

Astronomers have searched for extraterrestrial civilizations in planetary systems for sixty years, to no avail. In the paper published by International Journal of Astrobiology, Cambridge University Press, and titled “Migrating extraterrestrial …

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Space.com

A new study attempts to find periods of more intense erosion on Mars in hopes of understanding when water flowed on the world’s surface. Water can carry larger pieces of rock into collisions, breaking the rocks faster, so accelerated erosion might be a …

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