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意大利国家天文物理研究所(INAF)的科研团队,借助美国航空航天局(NASA)“朱诺”木星探测器,成功在木卫三表面上发现矿物盐和有机化合物存在的证据。相关研究成果发表于《自然·天文学》杂志上。
美国启动Psyche小行星任务     美国  Psyche  小行星任务       2024/1/15
美国国家航空航天局(NASA)启动了一项耗资12亿美元的任务,研究富含金属的小行星Psyche。任务飞船已于10月中旬通过猎鹰重型火箭从佛罗里达州肯尼迪航天中心发射升空,总行程36亿公里,预计将于2029年抵达该行星。
美国科研团队利用美国宇航局洞察号着陆器获取的地震数据直接测量火星核心特性,发现一个完全液态的铁合金核心,其中含有大量的硫和氧,证实了对火星核心成分的模型预测。这些发现发表在《美国国家科学院院刊》上,揭示了对火星如何形成以及地球和火星之间地质差异的新见解。
More than 5,000 planets are confirmed to exist beyond our solar system. Over half were discovered by NASA’s Kepler Space Telescope, a resilient observatory that far outlasted its original planned miss...
With future space exploration in mind, a Cornell-led team of astronomers has published the final maps of Titan’s liquid methane rivers and tributaries – as seen by NASA’s late Cassini mission – so tha...
Before embarking on its journey, critical components of ESA’s interplanetary mission were tested in the only facility on Earth capable of replicating Jupiter’s harsh radiative environment.
Gas giants orbiting our sun show a clear pattern; the more massive the planet, the lower the percentage of “heavy” elements (anything other than hydrogen and helium) in the planet’s atmosphere. But ou...
A team of researchers, including Brown planetary scientist Jim Head, propose using the James Webb Space Telescope to look at five planets in the Venus Zone, a search that could reveal valuable insight...
The eerie sound of an extraterrestrial whirlwind has reached the Earth from more than 50 million miles away, thanks to the first working microphone to traverse the surface of Mars. The audio records t...
When NASA’s 990-pound Dragonfly rotorcraft reaches the Selk crater region – the mission’s target touchdown spot – on Saturn’s moon Titan in 2034, Cornell’s Léa Bonnefoy '15 will have helped to make it...
The exploration era for the new James Webb Space Telescope (JWST) is getting hot – volcanically hot.
Swirling around the planet’s equator, the rings of Saturn are a dead giveaway that the planet is spinning at a tilt. The belted giant rotates at a 26.7-degree angle relative to the plane in which it o...
Scientists using NASA’s James Webb Space Telescope have captured definitive evidence of carbon dioxide in the atmosphere of a planet beyond our solar system.
You wouldn’t know it to look at Mars now, but rushing waters that crested banks had a hand in sculpting the face of the bone-dry red planet.
Last week, the stuff of Hollywood blockbusters became a reality when NASA launched its Double Asteroid Redirection Test (DART), a small spacecraft that will smash into an asteroid sometime in Septembe...

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