Jumat, 27 Mei 2022

Google Alert - Science

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Science
Daily update May 28, 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
Dozens of meteors from the Geminids fill the night sky. Meteor storms can consist of thousands of meteors an hour, far more than regular meteor shower like the Geminids photographed here.
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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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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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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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Phys.Org
Imagery has come down from Mars capturing a recent flight in which the rotorcraft flew farther and faster than ever before. The Ingenuity Mars Helicopter's black-and-white navigation camera has provided dramatic video of its record-breaking 25th flight ...
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