地球月亮的故事则没这么温馨。研究者们说，它更像是挨了一记响亮的耳光。几十亿年前，一个火星大小的天体Theia狠狠撞上地球，撞碎了自己，也撕下了地球表面的一部分。飞溅的碎片冲进太空，绕着地球形成了一个临时的环，最终聚成了我们熟悉的月亮。那次猛烈的撞击释 ...

Our crew came prepared though, so as the first human to leave the lander sets foot on Pluto, they will see some amazing sights. Charon, Pluto’s largest moon, has a tidally locked orbit.

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

Mar. 10, 2025 — Astronomers have peered back to a time when the universe was just less than 300 million years old. The research team, using JWST revealed something ... Evidence of a New ...

NASA has become the first US agency to pre-emptively fire career employees as part of a radical downsizing of the federal government. Plus, the activity of a certain gene variant is linked to ...

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CLEVELAND, Ohio — When it comes to professional sports and player contracts, in the end it’s often about the money.

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