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Earth and Mars: Built from different cosmic recipes
المصدر: Phys.org - latest science and technology news stories · نُشر
Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually become our solar system. Yet exactly how the planets formed remains one of the most disputed questions in planetary science.
Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually become our solar system. Yet exactly how the planets formed remains one of the most disputed questions in planetary science.
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Sugar found in meteorites may have helped secure its own survival on early Earth
Is there life elsewhere, or is Earth unique in the universe? This is one of humanity's great unanswered questions. One way to approach this mystery is to investigate how life began here on Earth. Our research explores the conditions in which a mixture of molecules somehow transfo
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The 40 minutes when the Artemis crew loses contact with the Earth
As the astronauts pass behind the Moon they will experience a moment of silence and solitude as communication with the Earth is blocked.
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NASA's Perseverance Mars rover finds groundwater, lakes, and hot fluids in one place
NASA’s Perseverance rover has uncovered a surprisingly complicated history of water in Jezero Crater. Scientists expected the crater’s Margin Unit to contain lake sediments, but instead found ancient igneous rocks that were altered by water on at least three separate occasions.
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Pompeii’s 2,000-year-old eruption just gave scientists a better clock for Earth’s past
Mount Vesuvius’ famous 79 CE eruption has given scientists a remarkably precise benchmark for dating events deep in Earth’s past. The improved technique could sharpen the timelines of volcanic eruptions, asteroid impacts, extinctions, and other major moments in geological history
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Orionid meteor shower to streak across night sky this week
The Orionid meteor shower peaks in October as Earth passes through debris left behind by Halley’s Comet.
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