NASA中文 保护地球,探索宇宙,发现文明

艾姆斯风洞

建造艾姆斯风洞及其最初的40×80英尺试验段。后来又扩建了一个80×120英尺的测试区。一架海军飞艇本应驻扎在莫菲特机场的2号和3号机库,在后方巡逻。

NGC 6995: 蝙蝠星云

The featured image shows a starfield with a two-colored nebula in the center. The nebula is colored mostly red and blue. Please see the explanation for more detailed information.
这张特色图片显示了一个中心有一个双色星云的星场。星云的颜色主要是红色和蓝色。有关更多详细信息,请参阅说明。

下弦月与昴宿星团

The featured image shows an orange sky with clouds across the bottom and several bright stars near the top center. Just at the top of the cloud deck on the left is a half-lit Moon. Please see the explanation for more detailed information.
这张特色图片显示了橙色的天空,底部有云,顶部中心附近有几颗明亮的星星。左侧云层顶部是半明半暗的月亮。有关更多详细信息,请参阅说明。

大极光

当国际空间站在澳大利亚和南极洲之间的南印度洋上空273英里处运行时,地球上空出现了一道生动的极光。

悬在太阳上方的三角形日珥

The featured image shows the surface of the Sun with a flowing texture in red light. Above the Sun’s surface an unusual triangular prominence hovers. Please see the explanation for more detailed information.
这张特色图片显示了太阳表面在红光下流动的纹理。太阳表面上方有一个不寻常的三角形日珥。有关更多详细信息,请参阅说明。

扮成土星的月亮

The featured image shows a crescent Moon over a city and volcano with a flat cloud running through the center that makes the Moon look a bit like the planet Saturn. Please see the explanation for more detailed information.
特色图片显示,一轮新月悬挂在一座城市和一座火山上方,中间有一片平坦的云层,使月球看起来有点像土星。有关更多详细信息,请参阅说明。

月球南极的景观

See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。