Sunday 30 April 2023

Google Alert - Science

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Daily update 30 April 2023
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NDTV
In their study, Chinese researchers noted that scientists have for long believed that Mars once had an earth-like climate and an ocean flowing across its surface about three billion years ago. But dramatic climate changes froze ...
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Hindustan Times
Despite the fact that there are a huge number of asteroids in space, they seldom pose a threat to Earth. Even when they approach the planet for a close encounter, the majority of them burn up in the atmosphere, causing no harm to Earth.
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Hindustan Times
May 1, 2023 will see three asteroids approaching Earth and they will get very close. Out of these three asteroids, one is as large as 100-foot while the other two are 45-foot and 46-foot wide. According to NASA, any asteroid that comes within 4.6 ...
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The Hindu BusinessLine
Researcher Achintya Low of the SN Bose National Centre for Basic Sciences, Kolkata, brewed a mixture of manganese and tin powder in 7:3 proportion, sealed it in an evacuated quartz tube at 1,000 degrees C for 24 hours, and cooled the mixture very slowly.
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Hindustan Times
1/6 Any asteroid that comes within 4.6 million miles or 7.5 million kilometres of Earth, or is larger than approximately 150 meters, is considered potentially dangerous. While some asteroids can be detected by NASA's astronomers, others can ...
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The New York Times
During its brief first flight more than a week ago, the gigantic Starship rocket made by SpaceX generated an unanticipated "rock tornado" at launch, and multiple engines failed as it headed upward before it somersaulted out of control.
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Phys.Org
This image shows the jet and shadow of the black hole at the center of the M87 galaxy together for the first time. The observations were obtained with a set of three radio telescopes. Credit: ESO. In May 2022, the Event Horizon Telescope (EHT) team ...
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Space.com
The rocket was about to enter its startup phase, but did not ignite its 27 first-stage engines, nine each on its three core boosters. It's unclear what caused the abort.
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ThePrint
New Delhi: Scientists have for the first time found cracked layers on tiny Martian dunes, which imply the Red Planet was a salt-rich watery world as recently as 400,000 years ago.
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Canton Repository
JUICE will then swing back to Earth for the first ever Earth-Moon gravity-assist maneuver. Happening next year, the maneuver will take advantage of the gravity of both Earth and the Moon to push JUICE towards Jupiter.
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