哑铃星云,也称梅西耶27,在美国宇航局斯必泽空间望远镜拍摄的这张图片中,发出红外光。
The Dumbbell Nebula, also known as Messier 27, pumps out infrared light in this image from NASA's Spitzer Space Telescope.
美国联邦调查局发言人在一份声明中说,在机场安检处进行 X 光安检时,该可疑物品就在他随身携带的行李中。
The item was in his carry-on during X-ray screening at a security checkpoint at the airport, an FBI spokesman said in a statement.
然而,美国宇航局的设备测量到行星的光微小的减弱在另一个行星从它前面穿过时。
Instead, Nasa’s equipment measures the tiny decrease in a star’s brightness which occurs when a planet passes in front of it.
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