太空

A gold-foil satellite with solar panels deployed against the dark curve of Earth from space.

欧洲空间局的 Celeste 卫星如何改进现有的伽利略系统

3 月，1 周 ago

Artemis II: Why NASA is risking an older rocket for the first crewed Moon flight in 50 years

阿耳忒弥斯2号：为何NASA在50年来首次载人绕月飞行中选择挑战这款“旧”火箭？

3 月，1 周 ago

A comet and multiple meteor streaks illuminated against a dark, star-filled night sky above a silhouette landscape.

2026年天琴座流星雨何时达到极大期？

3 月，1 周 ago

The golden-mirrored Roman Space Telescope floating in deep space against a backdrop of colorful nebulae and bright stars.

罗曼太空望远镜与哈勃太空望远镜相比如何？

3 月，1 周 ago

Who Artemis Is — The Huntress Behind NASA’s Moon Return

阿耳忒弥斯是谁？——NASA重返月球计划背后的狩猎女神

3 月，1 周 ago

What Changes Comet Spin? Hubble Space Telescope Data

彗星自转为何改变？哈勃空间望远镜观测数据

3 月，1 周 ago

Artemis II Is Go — But NASA’s Final Dress Rehearsal, Crew Tech and a Scheduling Squeeze Tell a Different Story

阿耳忒弥斯2号获准发射——但NASA的最后演练、乘组技术及排期紧缩揭示了另一面

3 月，1 周 ago

How did ancient Polynesians use the stars for navigation?

古代波利尼西亚人是如何利用星辰航行的？

3 月，1 周 ago

Close-up of a high-tech glowing nuclear space reactor vessel with Mars in the distant dark background.

NASA的SR-1 Freedom核动力推进系统是如何工作的？

3 月，1 周 ago

A close-up of a complex scientific instrument on a robotic lunar rover in the dark, cratered landscape of the Moon's pole.

LUPEX任务：测绘月球水冰分布

3 月，1 周 ago

An Earth-like planet silhouetted against a vibrant, swirling purple and gold nebula in deep space.

NASA：为什么探测系外行星的光信号如此具有挑战性？

3 月，1 周 ago

A high-tech lunar base with solar panels and spacecraft modules on the dusty, grey moon surface under a dark sky.

NASA放弃门户空间站，转向建设永久月球基地

3 月，1 周 ago

MeerKAT Snags a 'Mega‑Laser' 8 Billion Light‑Years Away — The Signal Is Real, but Not a Beacon

MeerKAT 捕捉到 80 亿光年外的“巨型激光”——信号真实存在，但并非信标

3 月，1 周 ago

A Mysterious Radio Signal from Space Is Ticking Every 16 Days — And Astronomers Are Listening Closely

来自太空的神秘无线电信号每16天闪现一次——天文学家正密切关注

3 月，2 周 ago

Close-up view of the sun's outer corona with glowing white plasma filaments and a small silhouette of a planet.

ESA Proba-3 卫星成功制造人造日食

3 月，2 周 ago

The massive SLS rocket and Orion spacecraft standing on the launch pad during a golden sunset.

NASA将阿耳忒弥斯2号火箭运回发射台，冲刺4月发射

3 月，2 周 ago

Can an Inflatable Bag Scoop a House‑Sized Asteroid into Near‑Earth Space?

捕获小行星：将岩石拖入近地轨道

3 月，2 周 ago

Can a Private Company Drop CubeSat Landers on Apophis During Its 2029 Flyby?

私营公司计划在阿波菲斯小行星着陆

3 月，2 周 ago

A hyper-realistic view of a glowing, Earth-like exoplanet with oceans and an atmosphere floating in deep, starry space.

寻找外星生命的最佳地点：科学家识别出45个类地世界

3 月，2 周 ago

A massive stainless steel rocket booster on a launch pad, venting white vapor against a dramatic twilight sky.

星舰 Block 2 与 Block 3 助推器有何不同？

3 月，2 周 ago

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