এক্স-রে

এক্স-রে

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

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行业/领域：航空航天
类别太空飞行
Company: NASA
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এক্স-ব্যান্ড

航空航天; 太空飞行

A range of microwave radio frequencies in the neighborhood of 8 to 12 ghz.

আলো

航空航天; 太空飞行

Electromagnetic radiation in the neighborhood of 1 nanometer wavelength.

অতিবেগুনী রশ্মি (ইউভি)

航空航天; 太空飞行

Literally means "above violet" radiation. Electromagnetic radiation in the neighborhood of 100 nanometers wavelength.

অশনাক্ত উড়ন্ত বস্তু (ইউএফও)

航空航天; 太空飞行

UFOs are unidentified aircraft which are attributed to alien space flight. One supposed UFO halted air traffic at Hangzhou Airport, China, on July 7. The appearance is being ...

ইউরেনস

航空航天; 太空飞行

Seventh planet from the sun, a gas giant or Jovian planet.

সর্বজনীন সময় (ইউটি)

航空航天; 太空飞行

Also called Zulu (Z) time, previously Greenwich Mean Time. UT is based on the imaginary "mean sun," which averages out the effects on the length of the solar day caused by Earth's ...

সূর্যোদয়

航空航天; 太空飞行

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

সূর্যাস্ত

航空航天; 太空飞行

For technical definition, please follow this link to the U.S. Naval Observatory Astronomical Applications website.

সেকেন্ড

航空航天; 太空飞行

The SI base unit of time. See this extensive definition.

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Prodip Kumar Dutta

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行业/领域：航空航天类别太空飞行

মহাকাশযান

A reusable spacecraft with wings developed by the U.S. National Aeronautics and Space Administration (NASA) for human spaceflight missions. The first ...