搜索结果: 1-15 共查到“国际动态 行星物理学”相关记录190条 . 查询时间(2.189 秒)
国外研究表明木卫三存在矿物盐和有机物
木卫三 矿物盐 有机物
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2024/1/17
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
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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。
美国研究表明火星可能拥有完全液态的核心
火星核心 完全液态 模型预测 地质差异
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2023/8/21
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。
A telescope’s last view（图）
望远镜 开普勒望远镜 行星
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2023/6/9
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...
Titan’s river maps may advise Dragonfly’s sedimental journey（图）
土卫六 河流地图 沉积
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2023/5/23
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...
From CERN to Jupiter: Juice embarks on its historic journey（图）
欧洲核子研究中心 木星 辐射环境
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2023/5/25
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.
Giant planet atmospheres vary widely, JWST confirms（图）
行星大气 差异 巨行星
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2023/5/17
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...
Researchers propose a list of Venus-like planets for James Webb Space Telescope to target（图）
金星 行星物理学 詹姆斯韦伯太空望远镜
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2023/6/26
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...
Perseverance rover records sound of dust devils on Mars
毅力号火星车 火星尘埃 声音
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2023/5/18
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...
Scientists depict Dragonfly landing site on Saturn moon Titan（图）
土星 卫星泰坦 蜻蜓着陆点
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2023/5/19
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...
Synthetic lava in the lab aids exoplanet exploration（图）
合成熔岩 系外行星探索 詹姆斯韦伯太空望远镜
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2023/5/19
The exploration era for the new James Webb Space Telescope (JWST) is getting hot – volcanically hot.
Saturn’s rings and tilt could be the product of an ancient, missing moon（图）
土星 环带 卫星
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2023/6/9
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...
Astronomers see carbon dioxide on planet outside solar system for first time（图）
詹姆斯韦伯 太空望远镜 系外行星 大气
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2023/6/25
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.
Back in days of great floods（图）
火星 水系统 行星物理学
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2023/6/21
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.
Getting the asteroid before it gets us（图）
小行星 天体物理学 双小行星重定向测试
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2023/6/25
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...