但有些恒星,所谓的脉冲星,会有规律地发出射电波脉冲。
But certain stars, called pulsars, give off regular pulses of radio waves.
绑匪通过发射电波信号同科学家联络。科学家保持电波发射联络。
The kidnappers contacted the scientist by emitting the radio signals the scientist kept in touch with the emission.
电离层反射电波的能力取决于不同高度上电子密度的正常差别。
The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.
当生气的时候,他会用他的鬓毛向四面八方发射电波,所以需要小心。
When angered, it shoots electricity from its mane in all directions, so be careful.
具有讽刺意义的是,产生射电波束的详细原因在天文上,这也许并不重要。
Ironically, the detailed reasons as to how the radio beam is produced may not be important astronomically.
菲莱会在表面提取样本,向彗星发射电波来探测它的内部就像X光探测人体一样。
Philae will sample the surface, and also measure radio waves sent through the comet's bulk to probe its interior in the way that X-rays probe a human body.
综述了从射电波段到X 射线波段星暴星系的光度和光谱观测特征及其研究的最新进展。
Then, we briefly summarize the photometric and spectral observation properties (from radio to X-ray), and the latest progress of starburst galaxies.
5月29日拍摄到的一幅射电波图像,连同4月4日哈勃太空望远镜拍到的一幅可见光图像都支持这种推断。
A radio-wavelength image taken May 29 along with a Hubble Space Telescope image taken in visible light on April 4 supports that model.
因为星云对射电波的散射很小,所以最明显的优点就是能够全面而真实地勾画出星云气体分布的外貌。
The most obvious advantage is that 'because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.
手机里的天线发射电波,当与天线的距离增加时,电波的强度迅速的减弱,相当一部分的电波会穿过大脑。
Antennas within phones emit the waves and, while the strength tails off quickly as distance from the antenna increases, a sizable chunk of it is beamed through the brain.
按照美国航空航天局的示意图上所描绘的,费米伽马射线望远镜所观测到的双“气泡”在X射线和射电波长均有显现。
AS depicted in this NASA illustration, the twin "bubbles" seen in Fermi's gamma-ray observations also manifest themselves at X-ray and radio wavelengths.
近年来通过对“微波背景辐射”及遥远射电星系发出的射电波的观测表明,它们存在一与地球运动相关的各向异性。
Recent observations on microwave background radiation and distribution of distant radio galaxies demonstrate that there exists dipole anisotropy in relation to the motion of the Earth.
在观测上,无论在射电波段,或者X射线和光学波段的观测都提供了一些可靠的证据,说明耀斑冕环的相互作用可能导致耀斑的产生。
Observational data in the radio, X-ray and optical wavebands provide the reliable evidences that the interaction between flare coronal loops can lead to the onset of solar flares.
射电望远镜拍摄的天空图片不是可见光,而是无线电波。
Radio telescopes create pictures of the sky, not in visible light, but in radio waves.
从可见光扩展到无线电波,再到X 射线和伽马射线,天文学总是会发现不寻常的物体,如射电星系、类星体和脉冲星。
The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
射电望远镜有时会被组合在一起,这与使用一个大望远镜来增加无线电波的收集能力是一样的。
Radio telescopes are sometimes grouped together, is the same effect as having one big telescope to increase radio wave gathering power.
由于无线电波比可见光波长百万倍,10米宽射电望远镜上的碟面只能接收月亮大小的星空图。
Because radio waves are millions of times longer than visible light, a collecting dish of a 10-meter radio telescope might only resolve an area of sky the size of the moon.
射电望远镜阵列混合了它所收集的无线电波,极大的提高了宇宙呈像的分辨率。
Arrays of radio telescopes combine the radio waves they collect to vastly enhance the resolution of their cosmic images.
月球宇宙无线电波阵列(LARC)由数百个小型射电天文望远镜构成,它们将在月球暗面覆盖两平方公里。
The Lunar Array for Radio Cosmology (LARC) would involve hundreds of small radio telescopes covering two square kilometers on the side of the moon that never faces Earth.
它被称为射电望远镜,因为收音机的天线是用来观察天文活动所排放的无线电波。
It is called a radio telescope because a radio antenna is used to observe radio waves emitted by astronomical sources.
它被称为射电望远镜,因为收音机的天线是用来观察天文活动所排放的无线电波。
It is called a radio telescope because a radio antenna is used to observe radio waves emitted by astronomical sources.
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