Definition of background radiation in English:

background radiation

noun

mass nounAstronomy

The uniform microwave radiation remaining from the Big Bang.
〔天文〕背景辐射
Example sentencesExamples
- This microwave interference came to be recognized as cosmic background radiation, a remnant of the Big Bang.
- Atoms, molecules, and dust particles floating in in, however, would reach an equilibrium temperature with the cosmic background radiation left over from the Big Bang.
- Even in the vacuum of deep space, temperatures measure approximately 3K due to background radiation left over from the big bang.
- It's called the cosmic background radiation - radiation that originated in that primordial fire ball.
- We are also exposed to naturally occurring radiation or background radiation.

Definition of background radiation in US English:

background radiation

noun

Astronomy

The uniform microwave radiation remaining from the Big Bang.
〔天文〕背景辐射
Example sentencesExamples
- Atoms, molecules, and dust particles floating in in, however, would reach an equilibrium temperature with the cosmic background radiation left over from the Big Bang.
- It's called the cosmic background radiation - radiation that originated in that primordial fire ball.
- This microwave interference came to be recognized as cosmic background radiation, a remnant of the Big Bang.
- We are also exposed to naturally occurring radiation or background radiation.
- Even in the vacuum of deep space, temperatures measure approximately 3K due to background radiation left over from the big bang.

词汇	background radiation
释义	Definition of background radiation in English: background radiation noun mass nounAstronomy The uniform microwave radiation remaining from the Big Bang. 〔天文〕背景辐射 Example sentencesExamples This microwave interference came to be recognized as cosmic background radiation, a remnant of the Big Bang. Atoms, molecules, and dust particles floating in in, however, would reach an equilibrium temperature with the cosmic background radiation left over from the Big Bang. Even in the vacuum of deep space, temperatures measure approximately 3K due to background radiation left over from the big bang. It's called the cosmic background radiation - radiation that originated in that primordial fire ball. We are also exposed to naturally occurring radiation or background radiation. Definition of background radiation in US English: background radiation noun Astronomy The uniform microwave radiation remaining from the Big Bang. 〔天文〕背景辐射 Example sentencesExamples Atoms, molecules, and dust particles floating in in, however, would reach an equilibrium temperature with the cosmic background radiation left over from the Big Bang. It's called the cosmic background radiation - radiation that originated in that primordial fire ball. This microwave interference came to be recognized as cosmic background radiation, a remnant of the Big Bang. We are also exposed to naturally occurring radiation or background radiation. Even in the vacuum of deep space, temperatures measure approximately 3K due to background radiation left over from the big bang.
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